When I was 25 my wife and I spent two years and all our saving building a wooden sailboat. After 5 summers living and sailing we sold it at an insane loss.....even without counting our labor.

But we knew this would happen going on and it didn't really bother us when it happened.

There are things in life that means more than just making the most money. You just have to decide if making glass is to you what building a sailboat was to us.