Always call first. Ask exactly what forms they require for an out-of-state "VIN verification" or "Title transfer" so you don't get stuck with a truck you can't plate.

Signed over correctly (watch for "notary required" states). Bill of Sale: Include the price, date, VIN, and signatures.

You’ll need a Temporary Transit Tag from the seller’s state to drive it home legally. Make sure your insurance company adds the VIN to your policy before you hit the road.