It must be good to pay by credit card.

The United States is a big credit card country, and the credit card covers almost every corner where you can spend. If you use one (or more) credit card that can be cashed back from overseas to spend, it is not only safe, but also saves a lot of money.

Although the United States is a society ruled by law, public security is not as safe as that in China. In many cities in the United States, you will be worried about robbery or other criminal acts when you go out at night, but in most parts of China, you basically don't have to worry about personal safety when you go out at midnight, so it must be very dangerous to carry a lot of cash in the United States.

Everyone has certain restrictions on purchasing foreign exchange every year. If you spend a lot of money in the United States and plan to change dollars in advance, you may need to use up the amount of foreign exchange purchased in one year at home, but there is no restriction on swiping with a credit card, as long as your card is sufficient, you can swipe as much as you want.

Credit cards are registered property, and the credit card industry in the United States is very developed. Even if you lose your card, it is very unlikely that others will use your card, because the United States consumes by signature. Merchants will generally check whether the signature behind the signature column is consistent with the signature of the POS receipt. If it is inconsistent, they will refuse to swipe it, and they may even be asked to show their valid certificates. If it is inconsistent, they will even report to the police. Especially if you are from China, the signature is also in Chinese, and it is difficult for foreigners to set an example to take notes when they find your card. Cash, on the other hand, is bearer, so it is hard to find it back if you lose it;

to sum up, to go abroad, especially in developed countries, credit card is the first choice, and you only need to carry a small amount of cash.