Case in point: Chicago's population has fallen to 1920 levels and I don't hear much about their REI market collapsing.

I paid the landlord/vendor a fee {the option price} for the right to purchase the property at a predetermined price {the strike price} within a given timeframe (2 years in that case). In

"I don't know, it was done before I bought the house", than there is no issueThis is exactly the case in one of my farm areas.

But that will usually be the case in California.  

That is not the case in 2019.

If you have time, a highlighter and pencil, ready to take notes, this is an excellent article:Real Estate Professionals: Avoiding the Passive Activities Loss RulesIn particular this summary of a Tax Court case:  "In Vandegrift, the taxpayer was employed as a salesman at a salary of $120,000.

Not sure if that is state specific or on the municipality level.I do not recall the case but there was recently a discrimination case in California that went a little something like this:Tenants of a large apartment building complained of another tenant in the building who stood in his window, blind open masturbating while other tenants came home from work.

The bathrooms were in horrible, unusable condition in the first place (which I suspect is often the case in many flips?) 

I suspect that is probably the case in most parts of the country. 

Is that not the case in Philadelphia?