This could allow you to concentrate your equity in one purchase by doing it in cash.

It is simply far too tenant friendly. 

I think that it is governmental BS...

What period of time does it cover?

I don't think it's expected nor do I think it will get you extra business or higher rated reviews.

There's nothing you will be able to do unless the heirs agree to go through probate to get ownership of the property and then sell it to you.

Albeit your self employeed which I get it there is a certain amount of freedom to that..

Yes you can but it depends on the lender some lenders do not allow due to overlays and in house restrictions. 

I didn't think it is necessarily a bad thing, just is more of a sales strategy than anything else.why do you think that the concept of investing in real estate with 0 money is an "idea" instead of a real thing. 

I wouldn't use them to complete the job, they've already shown they aren't doing quality work.