Originally Posted by
Bad Lag
This is a very interesting thread because of the various aspect of the problem - customer, shop, labor force, etc.
I do agree OP needs a different shop, maybe an online retailer, if all he needs from the shop is parts.
You could not convince me to invest money in opening a new bike shop.
This reminds me of an old axiom. How to make a small fortune? Start with a large fortune and open a bike shop