But once the person is in the property, legally or not, they are considered a legal tenant until proven otherwise. 

If you have a middle score below 600 that doesn't give a lender the greatest confidence in your ability to repay, but if you have loads of experience with that score below 600, you should have no problem getting a loan with max leverage @ great rates because you have a proven track record to mitigate that score. 

If you are using a "conventional" style loan (Fannie Mae or Freddie Mac if you recognize those names) then "sold comparables" or "comps" is the only way that they allow to get a value.  

You can obtain a Phase 1 Environmental Site Assessment which will let you know if there are any Recognized Environmental Conditions.

The real money is in larger businesses that have proven scale that sell in the millions in price and up.

Jesse The two proven methods are 1) spam call realtors or 2) dominate some niche on social media (check out Gary Vee for more on this latter one).

Yes I have been paying for the mortgage since 2019, so it is way over 12 months of proven payments.

If it's weak tenants and not credit rated it's historically proven over a 5 to 10 year hold even in a strong location that some tenants will go dark.

The new products have not proven themselves yet and in 10 years I bet a lot of property owners are going to back to tile.  

However, I would very much like to be proven wrong here.