Hand out reusable bags
Make the cashier smile
Return shopping carts
Pay for someone's groceries
Help someone reach an item
Help someone in need with shopping
Help someone load groceries
Buy flowers for someone
Give someone your place in line
Carry groceries for others
Buy a grocery gift card
Smile at people in the store
Offer your parking space
Use reusable bags
Offer spare change
Fix groceries that are out of place
Commit to doing an act of kindness each day, for 21 days.