I almost spent $8,000 this morning to replace a "broken" hot tub in one of our farm stay cottages. But I decided to dive into the guts of the tub one more time before I dropped that kind of money. I discovered it was afflicted with something I hadn't encountered before. The pump was airbound. And so I then learned how to unbind it. I am constantly reminded:

Ignorance is my most expensive indulgence.

I think Jim Rohn says (said) something like that.