My very good friend has written two books on them. I would recommend it. Then you won't need to solicit advice from random "experts" online.
https://www.amazon.com/Redfoot-Manual-Beginners-Guide-Tortoise/dp/1441494030?keywords=red+foot+tortoise+manual&qid=1540499837&sr=8-1-fkmr1&ref=sr_1_fkmr1_1