Also I've been feeding live prey. I'd prefer tp feed thawed but the previous owner said once you feed them live you can't switch to pre killed. Has this been the case in your experience?
This is bunk. Boas are typically garbage disposals and have no problem switching over to frozen/thaw feeders. Also, when your boa is an adult you do not want to be putting live XL or jumbo rats in with it as they can do a lot of damage to a snake.