100 Jin of baked sweet potato has a profit of 200 to 300 yuan. Sweet potato, also known as sweet potato, sweet potato, sweet potato and so on. , a kind of millet, has low acquisition cost, ranging from 80 cents 1.2 yuan, while the price of baked sweet potato is from 3.5 yuan to 4 yuan, and the profit is from 200 yuan to 300 yuan. Therefore, selling baked sweet potatoes is a high-profit industry with low input cost, high profit and very good market prospect. Roasted sweet potatoes is a delicious food, which is made by baking the whole sweet potato on the fire. It has the characteristics of sweet smell, delicate taste and rich nutrition, and is rich in dietary fiber and vitamins. It is a good coarse grain food.