Its seems many pros are burying their heads to the regulations or not thoroughly understanding how to interpret STRs in the tax code (the transient rental rules etc).

If not, there could be numerous chains of the contract which can convolute things.

Biggest pati le is getting approved from VA and bringing property up to regulation.

You're absolutely right—some investors still flock to cities like New York and San Francisco, even though these places come with more tenant-friendly regulations.

Per fair housing regulations, I can't answer this question. 

I loved being a landlord and felt good about it, but since its gotten to be so regulated and anti- landlord here, its best I get out.

What are the special regulations that I need to know in order to flip houses?

I live in Tahoe and there are multiple restrictions on STRs so if that is in the plan check the local regulations. 

If your unlucky enough to invest in these areas your “wait” for a rebound might be quite a long time - or forever.  2 - Governmental Regulation  - Rent control, rental use regulations, property taxes, zoning, etc.

Sometimes it's ambiguous, but even then, why should I bother with the company that has numerous unresolved lawsuits, versus another company that is virtually the same but has none.