You'll never see a dime of it, but it meets your legal obligation.3.

I was told that they can do it as low as 5.75% for 12 mos, no docs just purely asset base, no prepayment penalty.I am new to this.

Banks do not like them.

This was within the fine print, but I was told by email/phone that it would be within 30days. 

Boxabl can drop off, put it in place and by that weekend you can have a renter. 

But if you do have a house that sits in expansive soils and are susceptible to shrinking and expanding they can put pressure on the basement walls (exacerbated by frost/thaw cycles) and cause them to crack horizontally.

You could force the seller to bring it up to code before the sale is complete as one of the contingencies of buying it, let them deal with it.

What documents do they require, what credit scores do they allow, how do they verify previous rental history, etc.?

It seems there’s a common misconception largely influenced by social media, online courses, and influencers who oversimplify the process that real estate is an easy, passive way to generate income with minimal effort.

People even do this in Vancouver though it must be extremely challenging.