It's vital to know which state you live, where all your properties are located, your homestead (if you have one), values and type of REI business you have now and what you want to have in 3-5-10 yrs to have the right set up for you. 

I live and invest here rentals, flips and STR's.

Especially if you haven't lived in the area previously and know the area.

Tax-wise, profits are taxed at your ordinary income rate, and frequent flips may subject you to self-employment tax if classified as a dealer by the IRS.

(I actually didn't get my laptop/phone hooked up to it, because I live here.

I'd start talking to her and looking for another place for her to live. 

As you know, being an attorney yourself, it can be a Sisyphean task to making a consistent 'good' living.

This happened while a tenant was living there.

Renovated it, lived in it for 2 years then moved on.

Quote from @Damon Silver: Can you clarify "you can't have another separate tenant live there?"