I still enjoy this forum but let's not pretend it hasn't morphed into a totally different animal the last few years. 

I know there are many homes in my neighborhood that have similar characteristics as mine for example, sqft, single story and build year.

The issue is many lenders out there can be decent at single family homes...but a 2-4unit is a different animal...and the experience you'll have on that purchase will largely depend on how well versed the lender is. 

Currently the USPS uses a USA flag for the Standard and a star burst for the First Class.The three characteristic differences from a standard and first class hard stamp is that a First Class doesn't require return address where standard does.

Being considered a deal is dependent upon EACH transaction and the characteristics of said transaction.

Stamps.com is $15 a month but it's very convenient and the sheets I order with random animals, historic places, etc. are things you never see and I think it helps the open rate.

Use invitation type envelopes (a little more expensive but worth it) and birthday stamps or flowers or animals etc, or some type of occasion stamp.

When he gets to a point where he has more money than time to invest, he does the opposite and makes his mailers more stringent in their qualifying characteristics.

This requires research to determine property characteristics, public records info, property taxes, bankruptcy court info, etc. and inputting all of the info into a database.

Chickens with the ability to range into and out of the house with the other animals.