You seem to be finding them on a consistent basis. 

Here's why.If your rent is higher by $600/year, using a gross rent multiplier of 5X, you've increased your property's value by $3k.

Steady and consistent action

I mean you cannot even find consistency between different counties in a state.

Better yet, he has consistently applied that same 15% to every product I've bought since.

I don't know the amount of liquid cash you have but lets say its $100k, your rental portfolio consists of 5 SFR with a mortgage of $80k each and your primary note is for $150k.

Ultimately take action and be consistent!

You can afford more when your payment consists of less interest.

-For the common scenarios you will come across you have set standards you follow for all of your tenets so they know what to expect and you have a consistent way of handling the situation and making it easy for yourself.

More consistant rentals Lessons learned?