This is very useful insight that I want to apply to my own planned side-projects (like 30-something domains registered as ideas...) Too often I've thought "that's a great idea" and then focused on the tech of implementation rather than the viability. At that point it's just a hobby, or skill-sharpening exercise. Regarding the example shown, I would think that "uber for" ideas (meaning facilitate a connection between…
As others have said on this thread, this model is not very good for frequent, repeated services that are provided by the same person each time. When that happens, it becomes really easy to cut the middle man out and pay the service provider directly. These services are matchmakers, and the matchmaker can only really be expected to be paid to make the match... not in perpetuity. This is why services like Uber, where y…
For something where people get some value out of using the intermediary over and over, even if it's the same teacher, see Peloton.
I could see that idea working for remote music lessons if the teachers were great.