I just hatched the one remaining egg of my first ever clutch this year having used a Zoo Med Reptibator. I used a medium tupper-ware to make an egg box with a lid, vermiculite and a light difuser for the eggs to rest on. 5 of 6 ended up never having been fertile from the start but, the one egg which did is doing well. The temperature in the box was constant 89-90.
Like most probably will, I would really say building your own is the cheapest way to get the job done but I bought this in a baffled hurry for $130.
Note: I say baffled hurry because I had never seen any locks and so I just thought it was another failed pairing and all the sudden, BAM. Then came the "oh crap" moment and I panicked