Bonds aren’t necessarily purchased from the same bank account you have paired as your monitoring account for enabling the round-up feature.. The round-up account is the account you want our platform to monitor to track the spare change from your everyday purchases so this could be a checking account or credit card. One your spare change round-ups total the $10 bond purchase threshold, the actual bond purchases will be debited from whatever funding source you linked to buy bonds, regardless of your monitoring source. Quite often we find customers use their checking account as both their funding and monitoring source as their debit cards tend to be most actively used for their everyday purchases.