Instacart
Madeline Stone / Business Insider
Aaron Lavender
PATRICK T. FALLON/AFP via Getty Images
Uber Lyft Phoenix on YouTube
Jason McConahy
Joseph Kaiser
AP Photo/Julio Cortez
Walmart
Jessica Christian/The San Francisco Chronicle via Getty Images
Madeline Stone / Business Insider
Aaron Lavender
PATRICK T. FALLON/AFP via Getty Images
Uber Lyft Phoenix on YouTube
Jason McConahy
Joseph Kaiser
AP Photo/Julio Cortez
Walmart
Jessica Christian/The San Francisco Chronicle via Getty Images