At the turn of the 20th century, the average person spent 60% of their income on food.
"if you think about the average person was spending 60% of their income on food." (said at 0:11:05)
No published record matching the claim that the average person spent 60% of their income on food at the turn of the 20th century was located; this does not prove the claim false.
contradicted by web sources
According to historical data from the U.S. Bureau of Labor Statistics, average households spent approximately 42.5% of their expenditures on food at the turn of the 20th century in 1901, rather than 60%. While basic necessities as a whole accounted for roughly 80% of spending, food alone was well below 60%.