If there are not enough funds to cover the full RoundUp Savings transfer, the available amount will still be transferred. RoundUp Savings transfers will not use any overdraft source, including linked accounts or Courtesy Pay.
For example, say you have $210.30 available in your account, and you make a debit card purchase for $210.14. Instead of rounding up to the next dollar and transferring $0.86 into your designated account, RoundUp Savings will only transfer $0.16 into your designated account.