diff --git a/web/components/contract-search.tsx b/web/components/contract-search.tsx
index 45145c54..c7660138 100644
--- a/web/components/contract-search.tsx
+++ b/web/components/contract-search.tsx
@@ -15,7 +15,10 @@ import {
   useInitialQueryAndSort,
   useUpdateQueryAndSort,
 } from '../hooks/use-sort-and-query-params'
-import { ContractsGrid } from './contract/contracts-list'
+import {
+  ContractHighlightOptions,
+  ContractsGrid,
+} from './contract/contracts-list'
 import { Row } from './layout/row'
 import { useEffect, useMemo, useRef, useState } from 'react'
 import { Spacer } from './layout/spacer'
@@ -64,11 +67,15 @@ export function ContractSearch(props: {
     excludeContractIds?: string[]
     groupSlug?: string
   }
+  highlightOptions?: ContractHighlightOptions
   onContractClick?: (contract: Contract) => void
   showPlaceHolder?: boolean
   hideOrderSelector?: boolean
   overrideGridClassName?: string
-  hideQuickBet?: boolean
+  cardHideOptions?: {
+    hideGroupLink?: boolean
+    hideQuickBet?: boolean
+  }
 }) {
   const {
     querySortOptions,
@@ -77,7 +84,8 @@ export function ContractSearch(props: {
     overrideGridClassName,
     hideOrderSelector,
     showPlaceHolder,
-    hideQuickBet,
+    cardHideOptions,
+    highlightOptions,
   } = props
 
   const user = useUser()
@@ -276,8 +284,9 @@ export function ContractSearch(props: {
           querySortOptions={querySortOptions}
           onContractClick={onContractClick}
           overrideGridClassName={overrideGridClassName}
-          hideQuickBet={hideQuickBet}
           excludeContractIds={additionalFilter?.excludeContractIds}
+          highlightOptions={highlightOptions}
+          cardHideOptions={cardHideOptions}
         />
       )}
     </InstantSearch>
@@ -293,13 +302,19 @@ export function ContractSearchInner(props: {
   overrideGridClassName?: string
   hideQuickBet?: boolean
   excludeContractIds?: string[]
+  highlightOptions?: ContractHighlightOptions
+  cardHideOptions?: {
+    hideQuickBet?: boolean
+    hideGroupLink?: boolean
+  }
 }) {
   const {
     querySortOptions,
     onContractClick,
     overrideGridClassName,
-    hideQuickBet,
+    cardHideOptions,
     excludeContractIds,
+    highlightOptions,
   } = props
   const { initialQuery } = useInitialQueryAndSort(querySortOptions)
 
@@ -360,7 +375,8 @@ export function ContractSearchInner(props: {
       showTime={showTime}
       onContractClick={onContractClick}
       overrideGridClassName={overrideGridClassName}
-      hideQuickBet={hideQuickBet}
+      highlightOptions={highlightOptions}
+      cardHideOptions={cardHideOptions}
     />
   )
 }
diff --git a/web/components/contract/contract-card.tsx b/web/components/contract/contract-card.tsx
index 30c54363..f3f9807c 100644
--- a/web/components/contract/contract-card.tsx
+++ b/web/components/contract/contract-card.tsx
@@ -5,8 +5,8 @@ import { formatLargeNumber, formatPercent } from 'common/util/format'
 import { contractPath, getBinaryProbPercent } from 'web/lib/firebase/contracts'
 import { Col } from '../layout/col'
 import {
-  Contract,
   BinaryContract,
+  Contract,
   FreeResponseContract,
   NumericContract,
   PseudoNumericContract,
@@ -24,7 +24,7 @@ import {
 } from 'common/calculate'
 import { AvatarDetails, MiscDetails, ShowTime } from './contract-details'
 import { getExpectedValue, getValueFromBucket } from 'common/calculate-dpm'
-import { QuickBet, ProbBar, getColor } from './quick-bet'
+import { getColor, ProbBar, QuickBet } from './quick-bet'
 import { useContractWithPreload } from 'web/hooks/use-contract'
 import { useUser } from 'web/hooks/use-user'
 import { track } from '@amplitude/analytics-browser'
@@ -38,8 +38,16 @@ export function ContractCard(props: {
   className?: string
   onClick?: () => void
   hideQuickBet?: boolean
+  hideGroupLink?: boolean
 }) {
-  const { showHotVolume, showTime, className, onClick, hideQuickBet } = props
+  const {
+    showHotVolume,
+    showTime,
+    className,
+    onClick,
+    hideQuickBet,
+    hideGroupLink,
+  } = props
   const contract = useContractWithPreload(props.contract) ?? props.contract
   const { question, outcomeType } = contract
   const { resolution } = contract
@@ -121,6 +129,7 @@ export function ContractCard(props: {
               contract={contract}
               showHotVolume={showHotVolume}
               showTime={showTime}
+              hideGroupLink={hideGroupLink}
             />
           </Col>
           {showQuickBet ? (
diff --git a/web/components/contract/contract-details.tsx b/web/components/contract/contract-details.tsx
index 83c291c7..7a7242a0 100644
--- a/web/components/contract/contract-details.tsx
+++ b/web/components/contract/contract-details.tsx
@@ -42,8 +42,9 @@ export function MiscDetails(props: {
   contract: Contract
   showHotVolume?: boolean
   showTime?: ShowTime
+  hideGroupLink?: boolean
 }) {
-  const { contract, showHotVolume, showTime } = props
+  const { contract, showHotVolume, showTime, hideGroupLink } = props
   const {
     volume,
     volume24Hours,
@@ -80,7 +81,7 @@ export function MiscDetails(props: {
         <NewContractBadge />
       )}
 
-      {groupLinks && groupLinks.length > 0 && (
+      {!hideGroupLink && groupLinks && groupLinks.length > 0 && (
         <SiteLink
           href={groupPath(groupLinks[0].slug)}
           className="text-sm text-gray-400"
diff --git a/web/components/contract/contracts-list.tsx b/web/components/contract/contracts-list.tsx
index 20a85ef4..c733bd76 100644
--- a/web/components/contract/contracts-list.tsx
+++ b/web/components/contract/contracts-list.tsx
@@ -1,5 +1,5 @@
-import { Contract } from '../../lib/firebase/contracts'
-import { User } from '../../lib/firebase/users'
+import { Contract } from 'web/lib/firebase/contracts'
+import { User } from 'web/lib/firebase/users'
 import { Col } from '../layout/col'
 import { SiteLink } from '../site-link'
 import { ContractCard } from './contract-card'
@@ -9,6 +9,11 @@ import { useIsVisible } from 'web/hooks/use-is-visible'
 import { useEffect, useState } from 'react'
 import clsx from 'clsx'
 
+export type ContractHighlightOptions = {
+  contractIds?: string[]
+  highlightClassName?: string
+}
+
 export function ContractsGrid(props: {
   contracts: Contract[]
   loadMore: () => void
@@ -16,7 +21,11 @@ export function ContractsGrid(props: {
   showTime?: ShowTime
   onContractClick?: (contract: Contract) => void
   overrideGridClassName?: string
-  hideQuickBet?: boolean
+  cardHideOptions?: {
+    hideQuickBet?: boolean
+    hideGroupLink?: boolean
+  }
+  highlightOptions?: ContractHighlightOptions
 }) {
   const {
     contracts,
@@ -25,9 +34,12 @@ export function ContractsGrid(props: {
     loadMore,
     onContractClick,
     overrideGridClassName,
-    hideQuickBet,
+    cardHideOptions,
+    highlightOptions,
   } = props
+  const { hideQuickBet, hideGroupLink } = cardHideOptions || {}
 
+  const { contractIds, highlightClassName } = highlightOptions || {}
   const [elem, setElem] = useState<HTMLElement | null>(null)
   const isBottomVisible = useIsVisible(elem)
 
@@ -66,6 +78,12 @@ export function ContractsGrid(props: {
               onContractClick ? () => onContractClick(contract) : undefined
             }
             hideQuickBet={hideQuickBet}
+            hideGroupLink={hideGroupLink}
+            className={
+              contractIds?.includes(contract.id)
+                ? highlightClassName
+                : undefined
+            }
           />
         ))}
       </ul>
diff --git a/web/components/layout/modal.tsx b/web/components/layout/modal.tsx
index af2b66de..aac9e4c8 100644
--- a/web/components/layout/modal.tsx
+++ b/web/components/layout/modal.tsx
@@ -26,7 +26,7 @@ export function Modal(props: {
         className="fixed inset-0 z-50 overflow-y-auto"
         onClose={setOpen}
       >
-        <div className="flex min-h-screen items-end justify-center px-4 pt-4 pb-20 text-center sm:block sm:p-0">
+        <div className="flex min-h-screen items-end justify-center px-4 pt-4 pb-20 text-center sm:p-0">
           <Transition.Child
             as={Fragment}
             enter="ease-out duration-300"
diff --git a/web/lib/firebase/contracts.ts b/web/lib/firebase/contracts.ts
index 14594803..9e5de871 100644
--- a/web/lib/firebase/contracts.ts
+++ b/web/lib/firebase/contracts.ts
@@ -129,7 +129,6 @@ export async function listContractsByGroupSlug(
 ): Promise<Contract[]> {
   const q = query(contracts, where('groupSlugs', 'array-contains', slug))
   const snapshot = await getDocs(q)
-  console.log(snapshot.docs.map((doc) => doc.data()))
   return snapshot.docs.map((doc) => doc.data())
 }
 
diff --git a/web/lib/firebase/groups.ts b/web/lib/firebase/groups.ts
index f782f6a8..debc9a97 100644
--- a/web/lib/firebase/groups.ts
+++ b/web/lib/firebase/groups.ts
@@ -129,56 +129,61 @@ export async function addContractToGroup(
   contract: Contract,
   userId: string
 ) {
-  if (contract.groupLinks?.map((l) => l.groupId).includes(group.id)) return // already in that group
+  if (!contract.groupLinks?.map((l) => l.groupId).includes(group.id)) {
+    const newGroupLinks = [
+      ...(contract.groupLinks ?? []),
+      {
+        groupId: group.id,
+        createdTime: Date.now(),
+        slug: group.slug,
+        userId,
+        name: group.name,
+      } as GroupLink,
+    ]
 
-  const newGroupLinks = [
-    ...(contract.groupLinks ?? []),
-    {
-      groupId: group.id,
-      createdTime: Date.now(),
-      slug: group.slug,
-      userId,
-      name: group.name,
-    } as GroupLink,
-  ]
-
-  await updateContract(contract.id, {
-    groupSlugs: uniq([...(contract.groupSlugs ?? []), group.slug]),
-    groupLinks: newGroupLinks,
-  })
-  return await updateGroup(group, {
-    contractIds: uniq([...group.contractIds, contract.id]),
-  })
-    .then(() => group)
-    .catch((err) => {
-      console.error('error adding contract to group', err)
-      return err
+    await updateContract(contract.id, {
+      groupSlugs: uniq([...(contract.groupSlugs ?? []), group.slug]),
+      groupLinks: newGroupLinks,
     })
+  }
+  if (!group.contractIds.includes(contract.id)) {
+    return await updateGroup(group, {
+      contractIds: uniq([...group.contractIds, contract.id]),
+    })
+      .then(() => group)
+      .catch((err) => {
+        console.error('error adding contract to group', err)
+        return err
+      })
+  }
 }
 
 export async function removeContractFromGroup(
   group: Group,
   contract: Contract
 ) {
-  if (!contract.groupLinks?.map((l) => l.groupId).includes(group.id)) return // not in that group
-
-  const newGroupLinks = contract.groupLinks?.filter(
-    (link) => link.slug !== group.slug
-  )
-  await updateContract(contract.id, {
-    groupSlugs:
-      contract.groupSlugs?.filter((slug) => slug !== group.slug) ?? [],
-    groupLinks: newGroupLinks ?? [],
-  })
-  const newContractIds = group.contractIds.filter((id) => id !== contract.id)
-  return await updateGroup(group, {
-    contractIds: uniq(newContractIds),
-  })
-    .then(() => group)
-    .catch((err) => {
-      console.error('error removing contract from group', err)
-      return err
+  if (contract.groupLinks?.map((l) => l.groupId).includes(group.id)) {
+    const newGroupLinks = contract.groupLinks?.filter(
+      (link) => link.slug !== group.slug
+    )
+    await updateContract(contract.id, {
+      groupSlugs:
+        contract.groupSlugs?.filter((slug) => slug !== group.slug) ?? [],
+      groupLinks: newGroupLinks ?? [],
     })
+  }
+
+  if (group.contractIds.includes(contract.id)) {
+    const newContractIds = group.contractIds.filter((id) => id !== contract.id)
+    return await updateGroup(group, {
+      contractIds: uniq(newContractIds),
+    })
+      .then(() => group)
+      .catch((err) => {
+        console.error('error removing contract from group', err)
+        return err
+      })
+  }
 }
 
 export async function setContractGroupLinks(
diff --git a/web/pages/group/[...slugs]/index.tsx b/web/pages/group/[...slugs]/index.tsx
index eebf0619..dd712a36 100644
--- a/web/pages/group/[...slugs]/index.tsx
+++ b/web/pages/group/[...slugs]/index.tsx
@@ -49,6 +49,7 @@ import { useWindowSize } from 'web/hooks/use-window-size'
 import { CopyLinkButton } from 'web/components/copy-link-button'
 import { ENV_CONFIG } from 'common/envs/constants'
 import { useSaveReferral } from 'web/hooks/use-save-referral'
+import { Button } from 'web/components/button'
 
 export const getStaticProps = fromPropz(getStaticPropz)
 export async function getStaticPropz(props: { params: { slugs: string[] } }) {
@@ -541,10 +542,26 @@ function GroupLeaderboards(props: {
 function AddContractButton(props: { group: Group; user: User }) {
   const { group, user } = props
   const [open, setOpen] = useState(false)
+  const [contracts, setContracts] = useState<Contract[]>([])
+  const [loading, setLoading] = useState(false)
 
   async function addContractToCurrentGroup(contract: Contract) {
-    await addContractToGroup(group, contract, user.id)
-    setOpen(false)
+    if (contracts.map((c) => c.id).includes(contract.id)) {
+      setContracts(contracts.filter((c) => c.id !== contract.id))
+    } else setContracts([...contracts, contract])
+  }
+
+  async function doneAddingContracts() {
+    Promise.all(
+      contracts.map(async (contract) => {
+        setLoading(true)
+        await addContractToGroup(group, contract, user.id)
+      })
+    ).then(() => {
+      setLoading(false)
+      setOpen(false)
+      setContracts([])
+    })
   }
 
   return (
@@ -558,37 +575,66 @@ function AddContractButton(props: { group: Group; user: User }) {
         </button>
       </div>
 
-      <Modal open={open} setOpen={setOpen} className={'sm:p-0'}>
-        <Col
-          className={
-            'max-h-[60vh] min-h-[60vh] w-full gap-4 rounded-md bg-white'
-          }
-        >
+      <Modal open={open} setOpen={setOpen} className={'sm:p-0'} size={'lg'}>
+        <Col className={' w-full gap-4 rounded-md bg-white'}>
           <Col className="p-8 pb-0">
             <div className={'text-xl text-indigo-700'}>
               Add a question to your group
             </div>
 
-            <Col className="items-center">
-              <CreateQuestionButton
-                user={user}
-                overrideText={'New question'}
-                className={'w-48 flex-shrink-0 '}
-                query={`?groupId=${group.id}`}
-              />
+            {contracts.length === 0 ? (
+              <Col className="items-center justify-center">
+                <CreateQuestionButton
+                  user={user}
+                  overrideText={'New question'}
+                  className={'w-48 flex-shrink-0 '}
+                  query={`?groupId=${group.id}`}
+                />
 
-              <div className={'mt-2 text-lg text-indigo-700'}>or</div>
-            </Col>
+                <div className={'mt-1 text-lg text-gray-600'}>
+                  (or select old questions)
+                </div>
+              </Col>
+            ) : (
+              <Col className={'w-full '}>
+                {!loading ? (
+                  <Row className={'justify-end gap-4'}>
+                    <Button onClick={doneAddingContracts} color={'indigo'}>
+                      Add {contracts.length} question
+                      {contracts.length > 1 && 's'}
+                    </Button>
+                    <Button
+                      onClick={() => {
+                        setContracts([])
+                      }}
+                      color={'gray'}
+                    >
+                      Cancel
+                    </Button>
+                  </Row>
+                ) : (
+                  <Row className={'justify-center'}>
+                    <LoadingIndicator />
+                  </Row>
+                )}
+              </Col>
+            )}
           </Col>
 
           <div className={'overflow-y-scroll sm:px-8'}>
             <ContractSearch
               hideOrderSelector={true}
               onContractClick={addContractToCurrentGroup}
-              overrideGridClassName={'flex grid-cols-1 flex-col gap-3 p-1'}
+              overrideGridClassName={
+                'flex grid grid-cols-1 sm:grid-cols-2 flex-col gap-3 p-1'
+              }
               showPlaceHolder={true}
-              hideQuickBet={true}
+              cardHideOptions={{ hideGroupLink: true, hideQuickBet: true }}
               additionalFilter={{ excludeContractIds: group.contractIds }}
+              highlightOptions={{
+                contractIds: contracts.map((c) => c.id),
+                highlightClassName: '!bg-indigo-100 border-indigo-100 border-2',
+              }}
             />
           </div>
         </Col>