MONEY |08saves $20medium severity

The card terminal's dollar button costs you 2–5%

Verified: sources, 2026-07 · backed by 2 dated sources

Card terminals across Vietnam offer to charge you in your home currency. Take the offer and the conversion happens at the terminal's rate — 2–5% worse than your bank's, a fee that never appears as a line item. Across a trip's worth of card payments, that's roughly $20 gone.

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