So much depends on your intended move out date since you said you're moving out faster than expected.

Then plan a date to actively start looking to buy.

Look at properties with lots of reviews and lots of available dates to rent. 

If a tenant is breaking clauses in your lease at minimum I would have stated that in the letter, given ___ days to make the correction, or plan to move out of my property at ___ date.

Run a credit check, which will include her address history and the dates she lived at each one. 

App=Spart...If you need a tool to run your deal I have created this free tool that you can use btwhttps://real-estate-tools.com/real-estate-deal-calculator/?

Find a good lawyer you can make a relationship with to have in your back pocket should you need to sue, use strong contracts, use work tracking apps like busybusy, always have a couple of different contractors on speed dial so you can fire them and replace them immediately. you've got to be bullish, have strong goals in mind.

Was there a date by which the inspection had to be done by (normally within 2 weeks)? 

Hello! Working on an owner finance deal and I'm curious what technology you use to keep track of payments and amortization schedules. 

I do feel confident in the value he has delivered to-date and have line of sight on it creating monetary value.