Meet the retirees driving for Uber and Lyft because Social Security isn't enough

• Retirees are turning to Uber and Lyft driving to supplement Social Security or pension income.
• Some retirees who drive part- or full-time say low earnings and rising costs hurt their wallets.
• Drivers face financial instability and declining tips, despite enjoying job flexibility.

George Conner, 78, retired in 2007 from his career as an owner of two businesses. He took it easy for the first few years, but to supplement his Social Security and pay for his medical bills, he tried various jobs — including delivering auto parts — before trying out Uber driving.