I have called 20 banks and no one does a 1st lien on investment properties except 1 stated they would if owner occupied.During the research I read a website, which stated that 1st lien HELOCS on non-occupied are illegal and not allowed by Federal Law.Anyone know if this is true?

In DE you have to give 48 hour written notice sent by certificate of mailing. 

The estoppel is a form filled out by the tenant, then confirmed by the Landlord, and then accepted by the Buyer.

I am aiming to have a portfolio of 2-3 long-term rentals within the Colorado market by 2026.

If the LLC is solely owned by you, then this may be considered a gift from your sister to you which could be reportable by her, if your sister is a part of the LLC, then this is probably just a property contribution to a partnership owned by you, her and any other members involved in the LLC. 

You mentioned rental opp by the room in the higher price range may be a good option. 

Start by reading the Ultimate Real Estate Investing Guide: https://www.biggerpockets.com/guides/ultimate-real-estate-investing-guide/introduction2.

I called my own mold remediation contractor who tested and remediated mold.  

Start by reading the Ultimate Real Estate Investing Guide: https://www.biggerpockets.com/guides/ultimate-real-estate-investing-guide/introduction2.

Respondents".Each complaint is accompanied by a form that I'm supposed to fill out to give my argument against why or why not I discriminated.