That daily driver takes a beating from road salt, grime, and UV rays, and keeping it looking sharp costs real money over time. Spring is the sweet spot to get this done, right after the winter grit is gone and before the summer sun bakes it into the clear coat.
You want to negotiate the coating price on its own merit before we even talk about how you pay for it. A credit card window is just a tool to smooth out the cash flow for the deposit and the extras, not a blank check.
Remember that the 0% intro APR for 15 months on purchases and balance transfers is a hard deadline, not free money. If you leave any of that $1,200 balance on the card when those 15 months are up, standard interest kicks in on the whole original amount.