For cards with a high MPD earn rate for overseas spending would you recommend using these traditional credit cards, or multi-currency cards like YouTrip and Revolut to save on the FX fees?

It depends on the valuation that you give for your MPD. Since different people assign a different value to it, there is no right or wrong answer.

For instance, the FX fee may add up to $5. However, I value my miles to be at $6 for the same purchase. As a result, I will choose to pay for the purchase using my miles card instead of a multi-currency card.

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