You better off looking in craigslist for tank and set up but should be around $100. You would need at least a 20 gallon tank, cover and locks. A water bowl for him, a hallow tree trunk for him to hide and maybe a tree limb (I will give to you free)
He normally eats live mice but in this cold season he wont eat as much. But the mice costs $1.50
Feel free to come over my house and check out my set up.