There is a legal concept known as the fraud spectrum that accounts for liabilities that can arise out of our words and actions.

In terms of dealing with tenants, evictions, rent raises (on POH) or on space rent, leasing from POH to TOH, I know you go from the worst states for this on the left of the spectrum with California and Oregon etc, some of the best states based on this criteria is TX, FL. 

There are a wide spectrum of companies that would fit that description.Most local residential real estate investor companies are relatively small (in terms of the number of employees, not assets or profits) and they aren't going to care very much about which specific area you majored in.

First of all, the nature of RV parks can vary across a wide spectrum. 

investing is buying a property for the rental income, appreciation, and tax benefits.Now there is some aspect of each in every deal, but we are talking about which part of the spectrum your on.If you really mean real estate investing, then finding a property to invest in is the first and only priority, while educating yourself.

This market has a lot of student rentals, and the local ISP (Spectrum) includes Wi-Fi equipped modems with all their service subscriptions, so it is "normal" for "internet" to entail Wi-Fi; however, our lease does not require that we do anything other than pay the bill.

But exposed existing structure with adequate insulation is not necessarily your only path to usable space in your attic.On the other end of the spectrum, you can always plan on a typical gyp board ceiling, as @Bryce Lee has suggested. 

Bigger Pockets has members from every imaginable level of the experience spectrum when it comes to understanding successful real estate investing, financing,and management. 

I know Jay says many of these other type markets might be interchangable so it might not be useful in some hoods other than what spectrum you are on currently perhaps.

., Core is on one end of the spectrum and is the lowest leveraged, and depends mostly on income for its return.