Daily driving takes a toll on your paint. Automatic car washes leave spiderweb swirls, road salt chews up the clear coat, and routine cosmetic upkeep gets pricey fast. If you want that deep factory gloss back without overpaying, detailing shops are hungriest for work in the dead of winter when customer volume drops.
A proper multi-stage correction and professional sealant usually runs about $800. You negotiate that shop rate on its own merits first. Once the detailer locks in a winter discount, you can spread the bill across a year and a half using the Citi Simplicity® Credit Card without paying interest fees.
Remember that an intro window is a firm deadline, not free money. If you still carry a balance after 18 months, the regular variable APR kicks in on the remaining amount, which quickly wipes out the money you saved by negotiating a winter deal.