I paid those bills and have proof of payment from my bank.

A few months later I see his girlfriend start making social media posts about moving to another state.

You can purchase lists and compile lists from city and county for 60-90-120 days late on mortgage, pre-foreclosure, delinquent taxes, water cutoff, code violation, probate, divorce, high equity, etc. and mail or cold call.Other methods are driving for dollars, door knocking, wholesalers, craigslist, Realtors, FSBO sites, expired listings, foreclosure sites, put out bandit signs, billboards, newspapers, other offline publications.You can use pay per click/adwords, facebook, Linkedin, Youtube, and other forms of online and social media marketing.

;(I packaged up what I've learned, some the hard way like about why not to own in places like Albany, in a paper called How To Buy a Bullet Proof Rental Portfolio, a file linked off my BP profile.I'm out of Albany, also Toccoa, also Macon/Byron. 

You need to provide proof of your cash offer within 24 hours.

While the effort to set up a network might require some work, it is well worth it in results.It is okay to start small – or even use social media to your advantage – but you must put in the effort to expand your real estate investment network each and every day.The most important part of your real estate investing is your network.

It does not even require any proof of need of a service dog.

It also seems like it would be extremely stable and recession proof (just a guess).I also have not thought about time shares either, thanks for the insight!

and rehab them to bullet proof standards. 

There shouldn't be a problem if it's only for a few weeks and you plan on returning (though I would keep some proof of staying there in the unlikely event they check though I believe communicating the situation will be all you need to do; though keeping a daily repair log would be good as you could argue you didn't want to stay overnight and inhale the paint fumes and sanded joint compound dust).