eBay Motors runs the same auction mechanics as the rest of eBay, with a few vehicle-specific checks worth doing before you bid.
Clean title vs salvage or rebuilt title is the single biggest value factor on a used vehicle listing. A salvage-titled Ford can be a legitimate deal if the damage was cosmetic, or a costly mistake if it was structural. Ask the seller directly what the damage was and get it in writing before bidding, not after you've won.
Mileage alone doesn't tell you how a vehicle was driven or maintained. Ask for service records, especially for the specific known-issue items on that generation (timing chain, transmission fluid changes, and similar model-specific maintenance points). A seller who won't share basic service history is a real signal, not a formality.
Full-vehicle shipping is a separate cost from the winning bid, often several hundred dollars depending on distance, and worth pricing out before you bid, not after. Some sellers offer local pickup only, stated in the listing.
Every parts listing states a fitment range (years and sometimes trim levels). Check it against your specific vehicle, ideally by VIN if the seller offers a fitment lookup, before adding to cart. A part that fits "most F-150s" is not the same claim as a part that fits your specific generation. See Ford generations explained for how generation boundaries usually line up with fitment boundaries.