Originally Posted by Bill Kapaun

Although I can build wheels amongst various bike "stuff", I generally just replace & lube the wheel bearings and lube the cables.

That's a relatively low "skill" requirement about equal to patching/changing a tube/tire.
Only a few tools required that will pay for themselves relatively short term.

Originally Posted by takenreasy

This is my philosophy, as well. Plus if you do have an “issue” on the road, more than likely you’ll know how to quickly resolve it.