At the root of the trend is a need for companionship and, in an expensive state, financial support.
The "accessory dwelling unit" is growing steadily in popularity, especially in expensive neighborhoods.
Americans aged 65 and older are more likely to keep working into old age.
With 600,000 people over the age of 70 quitting driving every year, demand for transportation to get elders to medical appointments, stores and the like will grow.
These mortgages let seniors take out loans, using their homes as security.
The Phoenix area has become a testing ground of sorts for ride-sharing companies in a relatively untapped market.
Many of the caregivers in nursing homes can't afford health insurance, Martha Rast says.
The number of seniors is growing — but that doesn't mean the economy is going to sink.