That price is pretty good if the snake is in fact a caramel, and not sick.

Pictures would help.

Make sure you read these 2 threads, they should get you up to date on care

http://ball-pythons.net/forums/showt...ius)-Caresheet

http://ball-pythons.net/forums/showt...t-Thermometers

Almost all reputable breeders can have a snake shipped straight to your door so if this doesn't work out I'm sure you can find another.