If you know of any legal entity in TX that can help in a case where GP is not doing their job (maybe a branch of SEC), please let me know.TIA

A financial calculator and legal pad might work in the hands of someone who knows what they are doing, but that doesn't mean it's the best way to do it.

You are perfectly legal and right to do so.

If HOA by laws state past due owners are responsible for all late fees and legal expenses for collection hire an attorney to go after the past due. 

You and your legal, tax and financial advisors should review this transaction in greater detail, especially the PLRs, to ensure you understand the significant risks involved and are structuring the transaction as close as possible to the PLRs to mitigate some of the risks.

Might be a good idea to form an LLC anyway for legal or tax purposes.

You can't legally deny a true service animal.

https://www.biggerpockets.com/...12 Frequently Asked Questions (And Answers) About DSCR Loanshttps://www.biggerpockets.com/...8 More Commonly Asked Questions and Answers to DSCR Loanshttps://www.biggerpockets.com/blog/eight-questions-and-answe...What Documents Do You Need for a DSCR Loan?

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

Also being able to write down/document goals I set earlier and see if they are being hit.