Whether that be a combination of different pieces or the same mail piece multiple times, do what works best for you.There is certainly no "magic letter", but stories like this are exactly why we recommend testing your market with different mail pieces. 

I was at RealShares Philadelphia last month, and there were major institutional players who were very interested in Philly from a combination of population growth, job growth & affordability basis.

Here it's about clean and functional.

@Russell Brazil If you have multiple properties and multiple real estate activities and wish to qualify as a real estate professional, you need to add a statement to your return to combine your activities as a single activity.  

Are you investing primarily for cashflow, for long-term appreciation, for short-term profit, or some combination?

I'm considering the purchase of a combination apartment/rooming house in my local area. 

I was at the MMSDC downtown office about 2 weeks ago and one of the top people there made the statement that the difference between now and before when it comes to automotive is that: pre-2008 crash, the average break-even for the OEM's was something like 14M units (vehicles) and at the time combined they were doing around 16M.

I'm not worried about collecting the rent, I'm worried about using appliances etc in my house to keep them functional.

Technically deprecation reduces taxable principal as a function of obsolescence.  

I fought hard to get HVAC replaced but seller refused but then got it "certified" that it's functional and good life for 5+ more years!