The second job has become normalized among young people to increase their income.
Generation Z, born between 1997 and 2012, has been labeled as the "glass generation." The awareness of this population group regarding mental and physical health has led many to accuse them of being lazy or overly sensitive.
Get a copy of Hunter Thompson’s book about the “Hell’s Angels.”
There’s a chapter on the economics of being a biker/hippie/artist in the 1970s.
Some Angels would work six months as a Union stevedore, then take that money and live on the road for two years. A part time waitress could support herself and a musician boy friend.