You want a drone that stays steady in the air so your footage doesn't look like a shaky home movie. Buy a reliable entry-level model now, and it will last you for years if you treat it well.
Drone companies drop new models on a schedule, usually in the spring or fall. Wait until the next version hits the store, then grab last year's model while retailers clear out their old inventory at a discount.
The 0% intro APR is a deadline, not a gift. If you still have a balance after 15 months, the bank will start charging interest on whatever is left over.