I would tend to think that there is some inverse relationship between overhead and rents as a % of cost.

The only real drawback I see is that they are heavy, you can't hang one by yourself, which can add to the cost of the door nut I do think the benefits out-weigh the cost.

The funding terms are nuts but I figure it would get me right into the mix of flipping.

One of my favorite quotes from Canadian funnyman Red Green: "Do you ever notice that when the stuff hits the fan, it tends to be distributed unevenly?"

Insurance companies also tend to be more understanding of claims related to weather events (hail for ex.) than losses that are preventable. 6.

Good to be on the conservative side and allow for that in your analysis but people, especially with families tend to stay longer in well-maintained SFRs with good management, as opposed to a single person living in a 1 BR apt. who moves because of a bit better deal in another building.

I've found that mentors established in an "unofficial" manner tend to work out the best.

Therefore, I tend to do flips and take advantage of the market momentum.  

Loans in this area tend to be 70-75% ARV. 

Your property may be worth more in dollars numerically but be of less value in an absolute sense when inflation is factored in.Of late, T-Bills and CD's tend to have interest rates below the real rate of inflation.