Measure twice , cut once .  

You can put in some preventive measures like a built-in cleaning lady (monthly) who also acts as your "spy" ;-)My student house was rented for 4 years, so yes when they moved out it was the equivalent of 4 years worth of move-in & move-out by multiple tenants. 

The ARV is a measure of the market, and it is a moving target. 

Hard to measure up.

I don't want to have to measure rooms or balance heat flow calculations, etc.Note to OP: don't use these numbers, as they vary city to city, and with size of house.

Smith has a good point measuring the level of professional at the initial contact is important.

2% isn't really the "best" metric to measure a property.

So after much reading, I finally decided to take a shot at my first real estate investment; thanks in no small measure to all the wonderful information here at BiggerPockets.

I supposed would it be too expensive to put in a meter that measures electricity to the different units?..

We will be able to measure how much water and electricity each apartment is consuming in case someone uses more electricity than we are willing to pay.