According to Jim: Season 3, Episode 5
3 - 5: The Lemonade Stand
The girls get permission to open a lemonade stand to earn money. When the neighbors start a better lemonade stand in competition, Jim, Cheryl and the others up the competition.
The girls get permission to open a lemonade stand to earn money. When the neighbors start a better lemonade stand in competition, Jim, Cheryl and the others up the competition.