I also feel that first in-person meeting is very important so you can put a face with the voice, and also continue with your screening of the prospective tenant.

The following was found in a google search:When septic systems are properly designed, constructed, and maintained, they effectively reduce or eliminate most human health or environmental threats posed by pollutants in household wastewater.

I recently started having all calls go to voice-mail that directs them to my website that gives more information and has a page to answer some questions and request a showing.

I'm struggling in finding resources on how to effectively and accurately calculate the value of property as well as AVR.

The latter option would save you the out of pocket expense while effectively financing the cost over the period of the loan.  

I will start voicing it to everyone.

He told us his new address in an old voice mail and its in the same neighborhood.

IMO, it takes a certain personality type to be effective as a property manager on a larger scale.

If you lack knowledge of how your actions effect others you may never see the unintended hardships caused by what you do.

You will make a TON more in the long run this way, but if you're looking to cash out and move your money into another deal this might not be what you're wanting.However, if you use that down payment to turn around and pick up more properties with owner financing you can start a domino effect that could really build up your portfolio!