Some fear the apps will pass fees on to consumers, who might balk.
Some food delivery services charge as much as 40% in fees. That's cutting into restaurants' bottom line.
Food delivery apps offer consumers a wider variety of eat-at-home options.
Brick-and-mortar stores are hustling to get online purchases to customers' doorsteps faster.
Some of them come to you via Amazon Flex, an app that allows regular people to deliver your packages.