Check craigslist, but I haven't had much luck on there (I'm from GA too) although there's a little more in the Atlanta area.

Many people use a split pvc cage like a T25 from animal plastics (Look under "terrestrial cages") and put a center divider in the cage. If you get them to put 1 strip of wide heat tape at the center (for the hot spot) and then an RHP on each end, it allows both snakes to have a warm and cool side to their half of the enclosure. Btw, you would need a thermostat to control the heat tape and the two RHPs... If you raise the ambient temp in the room to 78f, you wouldn't need RHPs.

I don't have my BP in a pvc cage yet, so I can't give you more specifics than that... I will say that using a rack is another option and is cheaper to house multiple snakes, but you have to increase the ambient temps in the room (the air temps using a small heater and a thermostat) for a rack to work properly. The rack would also have heat tape at the back of the tubs and that would need to be hooked up to a thermostat too.

Another cheaper, but equally doable solution would be to purchase rubbermaid tubs, put heat mats below for hot spots and either increase the room temp or use a heat lamp suspended above each cage (on a dimmer) to raise the ambient temp in the cage. Again, you'd need a thermostat for the heat mats (I use this setup now and it works but it is hard to keep temps up in the tubs if you don't raise the ambient temps in the room).

Good luck, and I'd say whatever you do, invest in a good thermostat. I love my herpstat but the hydrofarm I have works good too.