It might be worthwhile to have someone help you sort this part out.As an example of what can be done in Phoenix, you can see a sample herehttps://www.biggerpockets.com/forums/311/topics/780022-3-ways-to-wealth-in-real-estate-cashflow-flip-hold-here-s-how 

Tough to find that sort of going in cap on marketed listings in over-saturated markets such as Seattle, Portland, Boise, SLC, etc.

But if you are already talking to a broker why not see if you can work out some sort of flat fee to help you really dig in and assess the situation instead

And now (if were something less obvious & silly than this clearly semi-joking example) you might be flipping out that you have brain cancer, when in reality you just tweaked your knee getting out of bed, and it'll sort itself out in a day or two provided you don't go running any marathons or do squats at the gym. 

Looks like you're off to a good start in terms of sorting out your finances and making sure you're in the position to buy. 

Don't try to force them to move in.Your first line of defense right now is your lease, unless you had her sign some sort of agreement to hold the property.

Where your going to build a housing subdivision or build some sort of building then you have to pop them and put them in the tub grinder and haul off the chips. 

If you do bring them in, what sort of interest rates and repayment structure do you offer?

It's probably going to make a lot of places worth less vs worth more (Homes in Dangerous Detroit can be had for $200, Homes in much safer areas cost much, much more--there is a reason for that).People need a place to live indoors--but this is NOT the solution.Los Angeles has the enormous Nickerson Gardens housing complex (public housing) for this sort of population, Oakland should construct the same if they don't already have the same kind of thing.

You’ll get zero appreciation in Erie and the clientele will be young single mothers with neon green hair and seven kids from seven different dads