We have a contractor GC / sub contractor connection that can build the standard floorplans for under $70/ SF

If so, is there a standard fee or percentage for something like this?

@Gerald Williams Jr having your parent or parents co-sign as non-occupant co-borrowers work the same for standard FHA loans 203-B or FHA 203-K. 

As a 20 year old college student, I can't get a standard bank loan without a cosigner, and I would rather just purchase properties using land contract.

The ADU should be just a standard lease agreement to count it, because its a separate unit from the main living space.

Standard saving, online saving (better rates but higher minimums), short term CD’s, money market... etc?

The turnkey company has networks and systems in place to find the best properties and rehab to a high standard and quality.

I'm an Illinois real estate attorney and am unfamiliar with the standard and customary fees charged by title companies in the Tampa Bay area.I do have some observations and comments.The larger and reputable builders in the Chicagoland area do offer credits if you choose their lender and mostly the lender fees charged are competitive. 

Covered risk 9 in the standard ALTA owners policy protects a subsequent buyer in this scenario, but it would not protect HUD who would be dealing with exclusion #4.

Around 10% is standard in Bridgeport Connecticut. 8.