Those are simple 2 common ones.

I have found the cash flow from laundromats to far outperform that of most real estate investments pound for pound, especially in your area. 25-35% unleveraged is pretty common.

Yet the common flu we all know has taken countless thousands of lives !

For example, they purchase a warranty for their property that covers common repairs with a $50 deductible.

I think somewhere around 1 months rent is common. 

I would advise you to consult your tax professional as we do not know your individual tax situation, nor what caused your initial interest in QOFs.To answer your question sincerely (with a common answer in the tax and accounting world), "it depends".

That is the common legal definition, all depends on your language and model waterfall. 

While they’re not common you do want to know if your contract has one.

That would be the simple answer.But since you are in CA, you get special treatment and the complicated route - you might want to look into the Delaware Statutory Trust (DST) to save on the outrageous $800 annual fee. 

In my area garbage and sewer would be the 2 most common.