As a side note, there is a good article posted today regarding counties with the highest rent increases/decreases in 2015.  

What I'm seeing in the market right now is banks are trying to get almost market rates for their REO properties, as foreclosure inventory is decreasing dramatically (30%+ down over last year).

In addition to the deployments, troop levels are decreasing at Fort Hood, so it's not an ideal time to invest. 

You may be able to decrease taxes based on new sale price

I have been decreasing the rental price of my 2 bed home in Madison Heights for several weeks.  

He owns about 10 properties and uses a rent decrease as a way to encourage tenant loyalty.

Remember even if your cash flow decreases with your lower rent , a portion of your mortgage is getting paid off by the rent money and your equity in the property and wealth are increasing every month you get that check.

They have a qualifying LTV score that gets deducted as "deemed appropriate" for properties in high crime, rural, blacklisted area, low purchase price in last 24 months and so on.. decreasing or eliminating the investors chances of being approved in favorable terms.  

Note that it didn't decrease its value in "real", it increased in fact.

I would simply capitalize that up front so as to compare apples to apples.First your increase or decrease will ONLY affect value not the cap rate,  The cap rate is set by the market.