It's a clue and reason to be on your list of targets.However, as David mentions, most are paid (late) without necessitating a sale.Now, if you combine your tax list with other triggers such as foreclosure and probate, etc. you can build some pretty incredible motivated Sellers.

The click lock type is super easy to install once you get the hang of it.

Switch the hanging/shelves in the WIC's to the opposite wall.  

Use direct marketing, "driving for dollars", walking your neighborhoods and talking with potential neiberhood is critical, and hanging flyers and sticky notes with a good message can help you out.  

What would be some hang ups?

I think it's safe to assume that most will want to hang onto as much of their own cash for "the next deal" purposes.The main reason PMI shouldn't bother you is because of the EXTRA equity you're buying into - because you're a wise Investor who only buys well under-market in the first place, right?

After you get your license, you will have a certain period of time (I think 6 months) to "hang" your license under a broker. 2.

Surely there are other successful people there like you who want to hang out and socialize outside of business.

My wife and I were there this weekend cleaning and hanging blinds etc...the simple stuff.  

We hang out, eat pizza, and talk about real estate investing.Mat