If you live in Central Florida then I know a breeder. I got my sulcata for $30!!! Compaired to everywhere else, even shows, you can't beat that price. He wouldn't let me buy it until it was a week old, just to make sure that it was healthy.
Contact a rescue in your area. Animal Shelters..Most have too many and keep them.
Depending on the animals.. they dont do better in pairs, but some get along.. Males will most likely fight as they get older. The large the 'yard' for them the better.