Taking care of a car gets expensive fast between gas, insurance, and routine repairs. Detail shops usually charge top dollar for paint correction and ceramic coating during peak spring months, but prices soften late in the fall when business slows down.
Work out the total price with your detailer before you pull out a card. Once you lock in a fair rate for the labor, you can use a zero-interest window to handle the balance without wrecking your monthly cash flow.
A 0% intro APR is a repayment deadline, not free money. If you still carry a balance after the 15 months end, the standard interest rate kicks in on what is left, instantly making your detailing job much more expensive.