Adding a built-in beverage center turns your kitchen island into a hosting station. You will have cold drinks within arm's reach and more space in your main fridge for actual groceries.
Wait for the major appliance sales in May to buy the unit, as this is when prices typically drop. Call at least three local installers for quotes on the electrical and cabinetry work so you can compare labor costs before you commit.
Remember that the 0% intro APR for 15 months is a deadline, not a gift. If you still have a balance after those 15 months, the bank will start charging you interest on whatever is left.