.- You should have required the tenant to sign a Hold Harmless Agreement, indemnifying you against any of their claims.

Credit is a factor as bad credit may limit options, or may have the lender require you to put 10 or 20 years of taxes and insurance into escrow. 

And, yes, inspection deficiencies can hurt your valuation because once they are disclosed, you are required to disclose those to future buyers. 

The income requirement was $6000.

Most commercial lenders do not require any seasoning for that entity which means that you can create an LLC and use that entity to purchase the property immediately as long as you have the proper documents.

Our company requires first/last name and a mailing address for the owner.

Lenders will still require a personal guarantee since it is a full recourse loan.

As I mentioned every person and their criteria is going to require a different loan program and each loan gets risk graded based on several factors.

It's easy to obtain, costs very little, and doesn't require extra, on-going effort to maintain.

If you want to combine two or more lesser sales into one higher purchase that is fine as long as your purchase meets the timing requirements for each sale.