With large parts of the economy still sputtering under the weight of the coronavirus pandemic, many people are having to scale back. But some older Americans were already living a minimalist lifestyle on the road -- and some of them have leveraged their nomadic approach into income. Economics correspondent Paul Solman has their story as part of our Making Sense series on Unfinished Business. PBS News is supported by - https://www.pbs.org/newshour/about/funders