handy with the steel
And that is why some of us get paid the big bucks.... you don't desire to be an expert with what you're messing with, that's fine.... I'd be delighted to take your money for doing something that will take likely less than 30 minutes to fix but some people all week to pay for.
The fact that you would recommend random folks to YOLO-SendIt DIY a full stand alone EFI system, with zero clue as to their level of expertise is absurd. As the saying goes: "fools rush in where angels fear to tread"
Certainly nothing we are discussing is black magic, but the fact of the matter is that it is well beyond the capabilities of many car enthusiasts - at least in so far as their time or willingness to learn goes. This is self evidently true, otherwise no one would pay you those "big bucks".