A millennial Uber and Lyft driver who earned $25,000 last year explains how he makes money when customer tipping is 'nonexistent'

• Ken, 36, drives part-time for Uber and Lyft in Texas while balancing a full-time job.
• He said "nonexistent" customer tips have made it harder to earn money as a rideshare driver.
• Keeping his gas expenses as low as possible and being selective with rides have helped boost his pay.

Ken, a 36-year-old Uber and Lyft driver in Houston, uses his one-hour commute to work each morning as an opportunity to make some extra money.