85, all living under one roof. >> good night, elizabeth. >> good night, john boy. good night, jim bob. >> reporter: this kind of living arrangement used to be common in america. the great depression forced families to live together. remember "the waltons"? >> somebody left her on my doorstep. >> is that where you found the rest of us? >> where are we going to put this? probably on our -- >> reporter: today tough times mean more than 51 million americans are living in homes with more than two generations. this family is not only able to split the bills but the responsibilities. >> we have a lot of babe why zitters. >> reporter: jessica's grandparents can watch little tony while her husband and parents earn the money. >> 95 e-mails. >> reporter: and jessica takes care of the home. >> i'm going grocery shopping and my mom needs groceries, i just pick up her groceries. >> reporter: one survey found 82% of adults living in multigenerational households felt it enhanced family bonds. experts say to make this work it's important to have a clear division of labor and for