There are several reasons why you may not be able to set up Round-ups:
if your bank doesn't allow third party to access
some banks do not allow Balance Checks to Plaid which is where we get this information from
no bank linked
account frozen/locked
linked account is a savings account not a checking account
If you're not sure why this feature is not working for you, please chat with us! We're here Monday-Friday 6am-6pm PST and will be happy to assist.