Prices at electronic component online stores vary depending on the store and component brand and model. Generally speaking, components from well-known brands are relatively expensive, but their quality is guaranteed. The prices of some common brands of components are relatively low, but the quality may not be as good as that of well-known brands. It is recommended that before purchasing, you first understand the brand and model of the components you need, then compare the prices in different stores, and choose the store with the highest price/performance ratio to purchase.