Love the business name suggestion: "Happy SADS" !
I can't say the thought of a SADS repair cottage industry hasn't crossed my mind, but I still have a day job and tend to be a little stingy about how I spend what little free time (and energy) that I have.
Now that the boring operation is trivial, the hardest part (other than the effort of getting a SADS in and out of the van) is pounding the rubber bits out and back in again. I'd have to contrive a press operation before I'd consider doing this in any quantity. Maybe that's my next project?

How much interest is out there?