The maximum amount of the postal savings loan is 30,000 yuan (unsecured), and 2,000 yuan is enough for you to recharge (air recharge, higher income). The general charging price of mobile phone accessories is 100 yuan if the inventory of 3-5 yuan stores is 20 yuan, and the price of other accessories is also considered as 500 yuan around 5 yuan, and the general battery price is 15 yuan. It is not recommended that you buy mid-range products as high-end products of 2500. It's cheaper to repair mobile phone accessories, only 2000 yuan. I don't know the higher equipment price. The price of domestic mobile phones is around 200 yuan. It is best to choose a store near the university town, so there are more customers. Personally, I don't think it is necessary to repair my mobile phone. ) The profit of mobile phone accessories is around 10 yuan, the battery is around 20 yuan, and the profit of domestic mobile phones is above 400 yuan. The actual selling price is still up to you, and some things have to be sold at a high price even at the bottom of the purchase price. Well, I wish the landlord a fortune ~ ~ ~