Staining your deck before the first frost saves you from expensive wood rot and splintering later on. It usually takes a crew about two days to prep, sand, and seal, so plan for a dry weekend in early autumn when humidity stays low.
Booking your service in the shoulder season often helps you avoid the premium prices charged during the busy spring rush. Get at least three written quotes from local contractors to ensure you are paying the going rate for your square footage.
Remember that the 0% intro APR is a deadline, not free money. If you have not paid off the full $1200 before those 15 months are up, you will start paying interest on whatever balance is left over.