The Hernandezes said that they're not always on the road.
"When we're standing still, we only pay about $200 a month," Ian said of his family's expenses.
"We travel when we can, and if not, we have a home base in Florida where our family's located," Hannah said.
They've been staying put in Florida lately as a result of the coronavirus pandemic.
"When we're traveling, it costs so much more to take the bus than if we were getting a hotel," Ian said, explaining that the family has to pay for gas and upkeep of the vehicle.