While starting a food cart business, the document discusses selecting tacos as the product to sell. Tacos are a traditional Mexican food made with a corn or wheat tortilla and various protein and vegetable fillings. The document then discusses selecting a busy location near offices, schools, or transportation hubs. It also discusses researching competitors' pricing to determine appropriate pricing for their taco cart. The document provides a recipe for making "Knoty Tacos" and includes a cost sheet and sales estimation projecting sales of 80,000 units in the first year.