., like @John Underwood said, Houfy can provide you with everything you need for a stand alone site but I don't believe that it allows you to have your own links like a .com address.If you want that, then you can figure out an address for your site and look at Wordpress as a way to build it up.

Maybe they do everything by the book but they never address the roof leak and they decide to walk away from the property now that roof leak is your responsibility again.3.

If he likes a deal and wants to get into it, he would need to be able to fill out the subscription documents, which are ~10 pages of things like, name, address, SSN, whether you are using a Trust, LLC or other entity, and a bit of information about his financial status as required by SEC rules. 

I use listings  with good pics & addresses so that I can make apples to apples comparisons.

The rest of your concerns can be better addressed by others here on BP.

I contacted the power company, and they directed me to the tax assessor's office to inquire about obtaining a separate address for the pool house.

I need to add apartment letters or numbers to the address.

To address this, we agreed that I would work in the business for six months to verify the financials, which so far align with his POS system.My main issue is that at 23, I don't have strong financials to get a conventional loan at 75% LTV with a ~7% rate, and the seller's lack of financials complicates bank approval.

He never addresses why he would just ignore people and never give anyone updates or payouts on loans. 

I’ve ALWAYS found zoning to be very accommodating to me, a onsey twosey investor vs some big developer.Also zoning can get you to the STREET ADDRESS ASSIGNMENT CLERK…If it is a duplex and u want to use it as a duplex… it’ll need an additional USPS ADDRESS.That’s actually FREE & FAST…The clerk did it for me (county just north of Charlotte NC) while we were on the phone!!