The friendly skies have never been more crowded. In 2018, 4.3 billion passengers stowed their tray tables and brought their seat backs into the upright position on their way to and from wherever they wanted — or needed — to go.
Mowing lawns is a summertime rite of passage in America, providing young people with experience pitching their business to neighbors, keeping a work schedule, and making and managing money—from purchasing the gasoline that fuels the operation, to budgeting for the oils and lubricants that keep a mower’s engine and blades running smoothly.