I built only a few for myself and I am still using the HD-1250 dip meter I built as a kid. Heathkit gear was expensive in Europe where I grew up but some kits were still cheaper than buying a complete set from another company. This is why my first ham radio transceiver was a Heathkit HW-100 which I still have. Modded though because the VFO was not that great.
What I really enjoyed was resurrecting other people's kits. I became somewhat of a local go-to person when a builder became thoroughly stuck. I didn't want anything in return but they usually insisted and payment was in the form of beer (no age 21 limit over there). I learned more that way than at many of the university courses.