I have spoken to both a mortgage banker and a modular cabin company and explained our situation.

Sure you could do a money market or put it in an ETF or something, but this is one of the options where the balance "can't" go down or is extremely low risk while making a decent yield.

If I have a deal with decent seller financing terms, it will be sold pretty quickly to one of my buyers and not to a wholesaler who can't prove they can close and/or they are the end buyer.

@Travis Marko There are several skip tracing companies out there.

Look for any cases that involve a rental company or have the words “eviction” in them.

Another option is setting up a legitimate virtual office through companies that specialize in meeting Google’s requirements—just make sure they provide suite numbers and not P.O. boxes. 

You'll want a title company/closing attorney who understands how to do this correctly.

We don't expect to collect money back when we send them to the collection companies.

My wife has focused entirely on residential real estate but now that I am a BDM for a PM company she is also expanding into helping investors. 

He didn’t just make a decent profit; he sudenly saw himself as part of a network where trust and reputation were the real currency.