Outside of some articles saying the mortgage company is required by law to remove PMI at 78%, I can't find much on what people do in our situation.

Landlord-tenant laws are different in VA than in MD.The good news is that in the DC area, most tenants are good.

CA was one example.And you should be clear what the laws are for the state where the property is located when it comes to your right to offer loans in that state. 

I've done it with my mother in law and it turned out great.

The financing option was:1) 5% owner occupied2) 25% investment purchase with 5% from us and were going to get the remaining 20% down from mother-in-law HELOC.

You don't need to hit the 1% rule in some markets, I don't in Ottawa, Canada and returning nicely on my Duplex.Depending on local laws, your basement better be legal to rent it out without living in the home.When including closing costs and realtor fees, I often find it much better to keep any real estate I already own if it cash flows by any margin.

Ive heard that Florida is one of the only states that does not allow rvm and actually has a law against it.

You will have to do an LP unless they qualify under the securities laws.

None the less, state law allows you to manage your own property without a license.

Can anyone suggest a good book for a comprehensive overview of Fair Housing Laws?