Earlier quoted context omitted.
> one that waives the foreign currency conversion fee I have a credit card for precisely this purpose (it's also general-purpose cash back). It's not as useful as you might expect -- most places in China that accept foreign credit cards do so only through an agreement with a chinese bank that imposes a ridiculously disadvantageous exchange rate. (But there's no "conversion fee" -- the bank generously bills you in USD…
>my debit card from the same bank that also has no foreign currency conversion fee I'm assuming they're making money on the exchange rate, then?
I asked them (my bank) about it, got a response I don't remember, and decided I could live with 0.5%