"Long term" here meaning all of them at least a year so I should know whether they have mites or other obvious health issues.

Mixed genders, 2 F & 2M. Not really decided who will go where. Was more of a general pondering on my part. I have 2 nice setups in a high visibility area and would be nice if I could rotate some of them around, even the corns. Wanted to see if anyone felt strongly that this was a terrible idea.