There's low barrier to entry in terms of effort required to purchase stock and naturally more people are going to do it. 

For instance, a claim filed under a federally declared natural disaster is most likely looked at very differently than a claim for a leaky pipe. 

How do I account for the expenses that are general in nature, as opposed to for one particular property?

I really don't care about the elderly passing away naturally in a house, even if I live in that house.

The period after inspection is when everyone starts to second guess themselves, it is completely natural that you are feeling this way.

I furthered my education by reading "Writing Winning Business Plans" by Garrett Sutton, "Tax-Free Wealth" by Tom Wheelwright, and, naturally, "The Book on Rental Property Investing" by Brandon Turner.

The thing you're best at, most natural at, derive some amount of joy from (or grace, at least, maybe not full-on joy), and feel drawn towards... that's what's going to bring you the most success.

Some lines of work are seasonal by nature - like snow removal jobs, entertainment industry, etc 

Or Ohio Dept of Natural Resources may have guidelines about setbacks, etc?

The points above about the changing nature of AVL are spot on.