This has been the biggest red flag with under market properties that you wonder ... well, why can they be had at a certain price, and everyone avoids them because of how costly and risky foundation fixes are.My question is, has anyone actually done a major foundation fix?

Difference between 5.75 and 5 is $27/mo so its not going to be your biggest expense by far

My biggest advice would be to not have your Sons mother put down much at all for an option deposit. 

What do you think would be the biggest upsides to going with a home possible loan VS FHA when they are both low down loans?

If they're pitching a program, do not buy it until you are 110% deadly committed to it such that that will be your course of action.Commitment and persistence have been my biggest assets.

Sellers and their agents biggest fear and hassel is the inspection and resulting defects and price negotiation.  

It is my goal to own a minimum of 10 paid for properties/doors within the next ten years.Currently, my biggest struggle is second-guessing everything. 

This can inform how much equity you provide in return2) Partnerships are a big part of most of the success stories on BP so embracing that mentality early can enable accelerated scale3) I like arrangements where incentives are aligned so it’s a positive that your GC cares about the project outcome and value created as much as you do4) With 4 kids and a full time job you may want to include some passive investing via syndicates in your strategy.  

Lake Mary, Maitland, and Orlando are really the three biggest white-collar employment zones with higher prices nearby, so communities within a 20-30min drive are always in demand. 

The biggest shift is in the ARV.