You want the pool party to be the highlight of their year, not a financial headache that lingers long after the guests leave. Planning in the late afternoon on a weekday helps you dodge peak pricing, which is the smartest move you can make for your wallet.
Focus on booking the big rentals early to lock in those mid-week savings. You can spread the $900 cost over time to keep your monthly cash flow steady while you handle the smaller party details.
Remember that the 0% intro APR for 15 months on purchases and balance transfers is a deadline, not a gift. If you have a balance remaining after that 15-month window, the card will start charging interest on what you owe.