I have a ferret, shes well behaved but she never wants to hangout with me. Im not too sure how playful mice are. Ferrets poop in corners too so its easy to clean if you leave it out of the cage. Ferrets are like less playful cats.
I like ferrets (they're cute 'n all), but I think mice are far easier to control--not to mention mice are far less likely to tear up your house. If you want a ferret, you gotta be prepared for a ferret; I mean, you gotta be prepared for any animal, but ferrets seem a bit more labor-intensive than mice.
Ye ye i know that :00 Ive taken care of many animals from mice to birds n sneaks and cats n such so i think i have a good idea of what im doing for both :00 Plus rn we have a devil cat so i understand how to make sure they dont fuck up the house x'D