Where I can't raise the rent I'm thinking it doesn't pay to do expensive rehabs especially where the rents are artificially low.  

As little as 100 years ago there were no regulations on medicines and devices and that did not work so well.   

Only natural inflation, rather than artificial booms and busts (which are NOT inevitable parts of some so-called "business cycle", but are the result of the sale and purchase of Treasury Bonds to make currency plentiful or to make it scarce, like to get everybody speculating, building, and gaining things, but then to crash it so they can swoop in and buy them all for pennies on the dollar for themselves.This interest we pay....where is the credit for that debit? 

or just an artificial run-up in values that the market will find and correct.  

*not an attorney* Even if medicinal MJ is legal, there are multiple ways in which it can be consumed.

I am finishing up my Emergency Medicine training now and have about 6 months left.

Artificial lighting can be used to enhance the interiors of your house, but just relying on artificial lighting gives a gloomy impression.

Going to early you may end up doing an artificially high amount of costly evictions. 

Hey Michael, I'm curious why you have subtracted out principal in your last calc, artificially increasing ROI?

The price of the house was artificially inflated because it was so easy to get a loan back then.