Carry large bills: Carry only large bills and leave your credit and debit CARDS at home.

带大钞出门：只带大钞出门，把你的信用卡或借记卡留在家里。

youdao

Through a joint venture with Absa Bank, Woolworths offers financial services such as loans, debit cards and home insurance solutions to its customers.

FORBES: The Ten Most Innovative Companies In Africa

Then you use it like you would use your debit or credit card back home.

BBC: Travel money: When is the best time to buy?

Basically, when you pay for stuff with a debit card, at say a Wal-Mart or Home Depot, the banks whack the retailer with a 2% fee for pleasure of offering debit card transactions.

FORBES: How Will Banks Fill Regulation Revenue Holes? By Charging Us.