Do you want to stay in the place you call home as you age? If you are nodding yes, you’re not alone. About 90 percent of Americans 65 and older want to stay in their homes for as long as possible.

Last October, Jeanne Clark’s Chihuahua, Gucci, vanished into thin air. She’s posted Lost Dog fliers all over town, and spent hundreds on ads pleading for the safe return of her teeny pet — all to no ...