John- My first property will be a duplex/tripex with the main goal of paying my mortgage, allowing my to save money for my next pure investment property.

Holding rental properties in an LLC is purely for asset protection. 

That should allow you to do a purely financial decision based upon numbers and then you can add in your personal needs and desires for cash flow or if you can afford to keep the property and subsidize it for repairs and such then that might be your preference.

My ultimate goal with my site is gaining pure organic leads; although, I know some leads will flow through the site because of direct mail and ads such as Craigs List.

BEHR is ridiculously expensive.Semi Gloss pure white on all trims, baseboards, and doors.Justin's idea of looking at model homes is brilliant, copying others ideas is much cheaper than creating your own ideas.

Both agencies have been granted an exemption from "pure" QM requirements for seven years or until they come out from under conservatorship.

While asset appreciation is a factor, it is a minor one in my decision making and I treat it purely as "gravy".

Looking at it from a purely mathmatical point of view ...cap rate = noi / ppcap rate can go up one of two ways, (1) if noi goes up, or, (2) if pp goes downwhere,noi: net operation incomepp: purchase pricecap rate: capitalization rate

You'll also have to have a 4 points inspection (elec, plumbing, hvac and roof) but that is purely a pass or fail inspection, and shouldn't affect rates. % deductible for wind coverage, 2-10%, will also affect the rate.

if you have great credit, solid assets and great income, sure,,, it would be based purely on your financial situation and wouldn't be secured by any properties.Banks prefer to have something to secure a loan with, so an open line of credit will be limited by your credit and ability to pay.