I rent specifically to contractors working short term jobs at a local petroleum refinery.

First step would be connect with a local lender familiar with the strategy specifically utilizing fha loans.

There are even lending programs specifically for this.4.

Maybe talk to a real estate agent or financial advisor to get some more specific advice tailored to your situation.

It takes reps and reps to do, and generally having a commercial specific calculator for the assets you are looking at would be helpful. 

Every state I've looked at has laws that specifically address property abandoned by a renter.

If you're ever interested at WealthAbility we host events specifically for tax professionals.

Year of update of the systems (roof, plumbing, electric, heat)4. any pets, pools, tranpolines, or business use at any locationThey will usually need more specifics but this is a good start. 

This is a pretty broad question and the answer is always going to be very area specific.

I'm also trying to get an answer on this, but seems like there are far more assumable commercial loans than there are residential, but from what I can tell, it's just a case by case sort of thing and you have to check within the loan docs or with the original lender to find out if it applies to a specific loan.