Funny thing is she had an agent and they were very organized pay check stubs, reference letters, clean background, etc... but, a professional scam artist. 

Definitely seems that the volume of loans and their 'call' or balloon date(s) would be relevant so I think that makes sense.At least here Jack anecdotally I have seen a slightly better picture with regards to evaluating the 'bottom of the barrel' on price point properties here in Des Moines. 

See if that is an option with a balloon in 5 years?  

The trust had an end date so there was a balloon in 5 years. 

A letter or email introducing yourself and giving your contact info and instruction for where they should pay rent?

I found addresses of tax delinquencies in the area and mailed my letters out.

I have built my RE business on finding off market deals, word of mouth, knocking on doors, driving by run down homes, networking with other investors, realtors, Zillow, craigslist, and even tried writing letters (none ever worked).

They say on their postcard that they charge 35 cents per post card or 45 cents per letter, which is much cheaper than the bigger companies.

The complaint and the letter from my lawyer stuck strictly to facts of the lease violations but, as could be expected, the tenants' response was filled with personal attacks against me.

Getting a lawyer to send a letter that you are considering it would cost a lot less and often works.Specific performance is a remedy in the law of contract, whereby a court issues an order requiring a party to perform a specific act, such to to complete performance of the contract.