This article lists the worst ways to use credit card rewards and reminds people to avoid making these mistakes in order to get the most out of them.

Many people have a question, China's mobile payment is very developed, why does the United States still like to use credit cards so much? What is the reason for this difference? If I go to the United States, how do I use credit cards?

The steps for using ETrade for the first transaction are similar to those for any land-based financial institution. The main difference is that you can use ETrade to trade online rather than in person. You can use ETrade for your first trade anywhere you have an internet connection, and you don't need to talk to anyone or hear any selling points before or after the purchase. Your transaction costs may also be lower than those of traditional brick-and-mortar businesses.