With you being in a tenant friendly state you have the lower hand, the only way we can protect ourselves is to screen.  99% of the time when someone writes a post would you accept I already say no before reading but read anyway. 

I thought a solution would be to get a POA before getting into another deal, but I am told that the POA won't be accepted unless it has a specific property address that we are purchasing. 

Unfortunately the home appraised for $15k less than the owner wanted, we wouldn’t over pay, he wouldn’t accept the appraised value so we had to move.

For example when a tenant is behind in rent and I don't think it's not going to work out, I give them 2-3 options that I am willing to accept and have them pick one.  

Its a very competitive market up there and I have been striking out, actually I'm 0 for 3 on over-asking price offers that aren't accepted. 2 of my offers even has escalation clauses, but it didn't help.

If you disclosed that financing was FHA on your purchase agreement, then the seller probably shouldn’t have accepted it.  

Only applications completed in full should be accepted.

If you're open to rehabbing in D+ neighborhoods that will see significant growth in about 5 years, then you can get a duplex for about $50k, if you can get your offer accepted quick enough.

There are lots of online platforms for vetting tenants, keeping records, accepting payments, etc.

Then I'd search for units that have been leased a while, call the owner/LL, and explain why it's 'safe' to lease to me.But please, as an owner of multifamily, stop asking "do you accept corporate leases" as a round-about code for "Can I do STR in your property?"