1. It’s best to swipe credit cards
Most of the shops in Macau accept UnionPay cards. When you swipe your dual-currency credit card, tell the store clerk to swipe UnionPay, and they will be happy to do so. of.
Negotiate the price if you can, and there is no handling fee for swiping the card.
2. It is best to pay in Macau Pataca
Shops in Macau all use an exchange rate of 1:1, and the actual Hong Kong dollar is a little higher than the Macau pataca. It doesn't matter if you spend less money, but if you spend more money, it won't be economical.
There are many exchange shops on the streets of Macau, where you can exchange RMB or Hong Kong dollars into Macau pataca before buying things. Don't be afraid of trouble.
I hope the above answers are helpful to you.