If curious for some behind the scenes stuff, we talk about it as if it's "Fannie Mae's money," but typically there are other secondary market investors that'll pay a little more than Fannie for loans that happen to be above her minimum standards.

The banks typically want to see some track record before letting you GC your own builds, especially since it is not your primary house (I know my bank does)Most builders only doing a few houses will be at a % agreement, and if you do get them to agree to a flat fee, they will likely just figure out the % of the build, and give you that number.Something to consider, if you dont have experience on builds, cost plus could really get you.  

Because I work a typical 9-5 I can take care of any issues after business hours and I'm available via text or email virtually all the time.  

Do you have a special feature that would justify a higher price?

@Michael Enriquez - typically in Pennsylvania, houses are inspected after an offer is accept.

(Since BP does not allow me to link to my own site, you can find it by doing a Google search on "the real estate crowdfunding review how many to diversify").There has been no definitive study done, like was done by LendingRobot and Lendingclub for peer-to-peer loans, on the amount a typical retail investor would need.

HML do not typically like to lend past 12 months,  It is a short term loan to get in and get out.Also, when you said "I have the funds to purchase" does that mean you are paying cash or getting a loan?  

How much do management companies typically charge?

Again; typically a one day job. 

I promise that you are going to have more the "unforeseen" issues than is typical and your repair estimates are probably too low.