I believe they changed the guidelines years ago on the amount of seller assist you can receive on an FHA loan, so I’d look into that with your mortgage company before making an offer, but definitely use that to your advantage when writing an offer!

Her contract says nothing about set up fees or early termination; I gave a generous offer to keep $400 as a design fee, but she sent me (2) $30 deadbolts and said the Technology Fee was non-refundable.There's other, better STR management companies out there.

I do plumbing inspections on the way in, along with full home inspections, and sometimes we do a pre-sale home inspection on the way out before the sale and we offer that as part of the listing package.

You could try talking with a lender that offers DSCR.

My bank doesn't seem to know and they are just offering that I open up a separate account.  

Feel free to reach out to see what we can offer.

I would love to here from anyone who has done something similar to this, especially in the Phoenix Metro area, but even someone who has done this in another state, might be able to offer some insight.

I've offered to rent W/Ds to tenants in the nicer neighborhoods as I can buy a used set for $40 and rent them for the same price per month, but the tenants typically have their own.I'm also entertaining the idea of getting a whole house service contract for all appliances including the AC, plus plumbing. 

The house will still need to appraise for the amount of the loan if you offer a higher price in exchange for repair money from the seller.

I researched some eviction attorneys and property management companies who offer 'problem tenant' services so most likely will reach out to them.