You are looking at double that.Some possible reasons:- Inefficient heating system- Leaky building - old windows and no attic insulation- Tenants leave windows/storms openTo me, the heating expense problem is a huge plus for your investment.

It had a double up impact. 

One bath is in the finished basement (mostly finished, not laundry area), oversize 1 car garage, separate tool shed, privacy fenced back yard, central a/c with gas forced air heat, newer roof, vinyl siding, new-ish double pane windows.  

He manages our 2 double sided units (all rented).

On the flip side you'll want to figure that you are getting to double dip appreciation and income while the reverse is going on.  

The cost with install will probably be double the old unit.If you have an old water heater now is the time to replace it while the hot stack are still available!

He was just asking if he should invest in Killeen.Alright, here's the bombshell, James:Killeen just doubled the size of the city's land.

.- Vacation home sales have doubled in the past two years..

page=1#p325985http://www.biggerpockets.com/forums/52/topics/64120-doubling-security-deposit-for-high-risk-people?

Who needs financial security when you can double up your paycheck with one spin?