1. Cost: AliExpress cost refers to the purchase cost of goods, as well as related expenses such as freight, storage fees, platform service fees, etc.

2. Profit: AliExpress profit refers to the profit obtained after deducting the purchase cost, freight, storage fees, platform service fees, etc. of the goods from the revenue of selling goods.

The calculation method of AliExpress cost and profit is as follows:

1. Cost calculation: Cost = cost of goods + freight + tariff (if applicable) + platform handling fee Among them, the cost of goods refers to the purchase cost of goods, the freight refers to the cost of transporting goods from the supplier to your location, the tariff refers to the tax that needs to be paid when cross-border e-commerce imports goods, and the platform handling fee refers to the transaction fee charged by the AliExpress platform.

2. Profit calculation: Profit = sales revenue - cost Among them, sales revenue refers to the revenue you get from selling goods on the AliExpress platform, including the selling price of goods and freight. Profit is the profit you get from sales, which is used to cover operating costs and make a profit.

It should be noted that the profit margin of goods sold on AliExpress is small, and it requires careful management of costs and pricing strategies to obtain considerable profits.