A retirement party is a big milestone, and the community center is usually the best spot to keep things grounded. Booking six months out ensures you actually get the space, since these local spots fill up fast for weekend events.
You can manage the $900 total cost by breaking it into smaller chunks before the big day arrives. Spreading the expense helps you avoid a cash crunch right when you should be focusing on the guest list and the cake.
That 0% intro APR is a tool to help you budget, not free money. If you still have a balance once the 15 months are up, the bank will start charging interest on whatever is left, which can get expensive quickly.