Re: A perfectly cautionary tale
When my dad was in the fire service, I don't think there was a single person on his watch who didn't have a "fiddle job" *. Some laboured at local firms, others were painters and decorators, mechanics, window cleaners, electricians, plumbers. Before the fire brigade strike in the mid-70s, this was necessary to survive - wages were terrible. Afterwards, it became a way of filling in the time (six effective days off out of every eight).
*For a few years, I actually thought my dad played the violin.