Make money. The basic raw materials for making egg tart are egg tart skin, low-gluten flour, whipped cream, milk, egg yolk and sugar. These raw materials can be purchased in large quantities in the wholesale market. In the long run, buyers can negotiate lower raw material purchase prices with merchants. Converted down, an egg tart costs one yuan, and ten yuan for four can make money. The most important thing is to ensure the quality of egg tarts and retain customers.