Early retirement, pensions, disability and lawsuits
Savings, trading stocks and bitcoin
Working for cash, aka under-the-table economy
Living off family members
Living off the land
The article suggested 7 broad categories which certainly resonated with me. There are a lot of folks wrapped up in the gig economy doing what they can to get by from time to time. With a supportive spouse and a blend of cash infusing hobbies, a guy can do OK and stay out of the rat race.