Sometimes you get lucky, too, and get a really great snake. I would have a herp vet ready to take it to as soon as I got it to have a full check-up done just in case, though. When you get him, look him over thoroughly yourself. Check for mites and any sign of odd behavior. (Excessive stargazing, drunk slithering, drooling, excessive yawning or breathing with his mouth open, open wounds or sores, etc.) If both you and the vet declare perfect health, then pat yourself on the back for a great deal on a wonderful companion!