According to the query of joining stars, the profit of joining a water delivery shop is still considerable. The retail price of bottled water is generally ex-factory price plus gross profit. The retail price of each city and the retail price of downtown and suburbs are different. Does not include rent, wages of water workers, transportation costs, etc. The profit of a barrel of bottled water is about a few yuan, ten yuan to twenty yuan. Brother water delivery calculated an account. For example, the ex-factory price of bottled water is 3 yuan a barrel of pure water. When selling to customers, a barrel costs 10 yuan, and some barrels cost more than 20 yuan. Gross profit is about 7- 15 yuan a barrel.