A lot of people just want to not lose money on the deal. They just want to cover their expenses. They rent it when they are not using it, and if they collect enough rent it's like having a free property.
There are a fair number of people that claim zero withholdings. That's their method of savings and at the end of the year they get a $2,000 check from the IRS. They should've put $20 a week away in their 401(k) retirement plan.