They went to prison, jail.. no bond..

However, I would not play with this because that is a great way to land yourself in prison for mortgage fraud.

One landlord's problem can be another landlord's dream tenant (no prison record AND a real actual job?

This depends on the market- some markets are notorious for having flaky appraisals (flaky in that they can range all over the board for values).

Not enough info here to tell you what your property would rent for but1) Zillow is inherently (and notoriously) unreliable when it comes to pricing with their "Zestimate", and 2) An opinion from a real professional person always trumps a Zestimate, and3) The fact that two independent sources are giving you similar signals is a strong indication that Zillow is wrong, which is no surprise (see #1 above).

I have an ex brother in law in Fla. that has been in prison for the last 3 years.

I'm a notary in California, and while each state is different, there are 2 main types of notorial acts: acknowledgements and jurats.

its like being in prison I get one hour outside a day :(

College kids are notorious for not taking care of the place they live and you'll often have to repaint or something similar after every tenant. 

That isn’t something that I immediately recognize (several years in law enforcement and part time narcotics division) but contractors are notorious for rampant drug abuse.