Picture blankets on the grass, a big screen glowing against the dusk, and half the block sharing popcorn. Getting a park movie night together comes down to timing. Certain things have hard deadlines, while other pieces can wait until the week of the show.
A standard setup runs about $400 for the projector, screen, sound, and snacks. If you manage the payments smartly, you can split that tab into bite-sized monthly amounts instead of taking the whole hit at once.
Remember that an interest-free window is a deadline, not free money. If you still have an unpaid balance after the 18 months end, regular interest rates will apply to whatever remains, so set up autopay for that $22.22 right away.