The loan itself is an interest only payment required as the minimum payment.

Buildings require maintenance.

For example, they can finance up to 70% of the ARV meaning, if you have a perfect 70% deal (purchase price and rehab are withing 70%) they will cover those cost for you.you will still incur closing cost, taxes, and insurance cost though for example.True 100% financing (ZERO out of pocket) typically requires solid relationships with private lenders or a combination of hard money lender and private lenders.

FHA only requires 3.5% down for owner-occupied SFHs. 

My principal balance right now is about 187K.

Additional streams of income:1) Have mortgage broker present at open house (and charge them "$5000"%) to pre-approve those who want it (but don't make that a requirement to bid).2) Sell the bidder list to other investorsI have not seen any such ads in my area and I'm wondering if it's because this system is not effective or is it because nobody is utilizing it?

I mean which are the usually requirements to show to lenders?

What requirements do banks look for?

Yes when going for a personal full doc it will require all of that documentation .

So, the terms of your lease should be catered to that, with very strict insurance terms, personal guarantees behind any company signing your lease, requirements that lessee handles all repairs and maintenance, additional security deposits, and I would go so far as requiring minimum review quality for the host, limits on quality of guests they can accept, etc.And to your point about Airbnb not doing background checks, you are right.