A sad number of people knew that going to bed was a poor man's food. It's the most popular answer, which is sad. Also, someone said, "Taking a deep breath for lunch was my go-to."
Some people showed how ignorant they were by thinking that the person didn't live in America before they volunteered, that they lived in low-income housing in New Jersey, and that there isn't clean water in many places in the states.
A renter said that they had a 500-square-foot flat that they heated with a gas stove because the gas was included in their rent. DO NOT DO THIS!
One man admitted that he rented out a room to a friend and then moved his wife and three kids into a single room to save money when they were poor.
Several people in the thread admitted to turning everything off and living in darkness to avoid high energy bills.
One man said that when his power was turned off, he learned how to make candles out of bacon grease.
A sad number of people said they were saving money for a place to live by living in their cars. Many gave time frames of one month, four months, six months, and eight months.
They talked about how restaurants and bakeries have to throw away food that could still be eaten, and how much money they saved by eating out of trash.
Many people had to rush to the ATM at midnight to take out all of their paychecks before their creditors could get their hands on the money.
Someone finally told him that he could save money and not go hungry if he went to the restaurant right before 4 p.m. for a late lunch/early dinner.