My report said something about loans proportion.

Your biggest problems are the lack of reasonable proportions to the house and the monotone palette. 

Should I stay away from investing in areas that have little to no recent comp activity?

This proportion of the gain that you have to pay taxes on will increase every year.

High proportion of newer investors learning versus serious action takers.

No Fines, then the surface won't compact, and rocks will move around.Rolls covered far more distance than I thought due to the light weight.You can't tell but the ground slopes slightly to the left towards the ditch. 

Has your portfolio grown in proportion to the amount of time listening and educating yourself?  

There are good and bad in every group and at some properties, we have a high proportion of subsidized renters and in others (more expensive places) we have none.

With access to credit, demand will increase in the same proportion and prices are expected to increase. 

These markets tend to lead corrections.A large proportion of RE Sponsors, along with fund managers on Wall St. have literally never faced a down market in their careers, at least as the strategic head of a fund/organization.