Meet the grandmother living out of a 400-ft ‘granny pod’ to save money and help with child care—it’s become an American ‘economic necessity’

Tiny bungalows are popping up in back lawns across the U.S. as more American adults welcome their grandparents home with “granny pods.” Denise Martin, a 65-year-old retired financial advisor and grandmother of three, has been cozied up in her own miniature home for over a year—right in her daughter’s backyard.

“The primary reason why I relocated here was because I had a granddaughter, and I now have a second granddaughter who’s four months old,” Martin tells Fortune. Luckily her son-in-law...