Picture the backyard lit up with string lights and everyone laughing as you mark the anniversary. Pulling this off without a last-minute scramble starts with a solid three-month lead time.
You want the big pieces booked early so you aren't rushing. By spreading your costs now, you avoid the sting of a single, large bill hitting your bank account all at once.
The 0% intro window is a deadline, not a gift. If you don't pay off the $1200 balance by the end of the 18 months, you will start paying interest on whatever remains, which makes the party more expensive than you planned.