Also, if their income is decreasing over time, your rents will decrease.

I can tell you that the learning curve will exponentially decrease from deal one to deal two.

@Hau Nguyen - Help me understand the numbers - you say Gross Rent's are $1,900/mo then you state your operating income is $1,620/mo - where's the $280 decrease stem from? 

These would specifically be problems for Flippers and Buy/Hold Investors For example, to prepare do you run the numbers for potential rental property based on percentage decrease in rent amount?

They are creating good cash flow, but the value of the homes are decreasing since they are in not so good shape.

The last numbers I heard were actually showing values decreasing in California and the Northeast.

Rents can decrease dramatically if the NOO units overtake the OO units causing rent wars.

This has decreased the number of applicants, but has resulted in only the most serious people applying and a higher percentage of people screened being accepted.

It is a rising debt decreasing equity mortgage for persons over 62.

From year 2 onward, the ROI further decreases, seeing as the yearly nominal gain is still €9000, whereas the net equity increases.I apologize if this was a bit extensive, I was partly writing this to recap some thoughts for myself :) If anyone has come across similar markets and/or knows of ways to handle this, any input is highly appreciated!