Picture the backyard set up with long tables, newspaper spread out, and a giant pot steaming away in July. It is the highlight of the summer, but the cost of shellfish and sides adds up fast when you are feeding a crowd.
You need to tackle this by breaking down the shopping list early so you aren't stuck with a massive grocery bill the day of the party. Planning the logistics now means you can enjoy the afternoon without worrying about the final price tag.
Remember that the 0% window is not free money, it is just a timeline to pay off the debt. If you still have a balance on the card after the 18 months are up, the bank will start charging you interest on what you owe.