At a minimum, I want to leave every person I speak with a business card so they have a way of contacting me whenever they do decide to sell their house.  

One of the strategies i have seen in the past was sending post cards or some sort of material to agents that recently got licensed.

There's a .01% chance they come knocking on your door to check if you live there, so take that as you may.As far as the property management goes, make sure your numbers still work with the prop management fee (typically 5% - 10% of gross income, call around and see what companies will charge).Good luck!

For example, I sent out some post cards to cash buyers in my market and one of them called back and asked how did I got his information.

They typically charge 1 full months rent and usually a minimum of $900-$1,000.

This is a non-starter for one parent because they shouldn't be charged anything to leave a house they deem unhealthy.

Especially when the city charges us thousands of dollars for permits and inspections.

That law changed this year and I would have to speak to my accountant. 18% what the hell... that is insane and might as well be a credit card.

They charge a loan renewal fee in the $400 range.

The seconds reason is that the purchase is made without agent that usually charge 7% percent and this money is save to the seller.