Deliveries of groceries, packages and take-out food is at an all time high during the pandemic, meaning we rely on delivery people more to keep our lives functioning. But many delivery workers rely on tips to make ends meet, and some are saying that customers have been less than generous. One Instacart shopper says she was stiffed on a $55 tip. We spoke with etiquette expert Thomas Farley about why tipping during pandemic is so important. He recommends tipping double what you usually would.