

On the use of dollars internationally in tourist contexts, I once spent a few fairly unpleasant days in Cancún (the rest of the Yucatán peninsula and CDMX were great, though!), I noticed that a lot of shops and services would accept dollars, which Americans more than happily made use of.
The crux of it was that anything paid in dollars had its price, when compared to pesos, inflated to about double.
It was essentially a form of idiot tax.





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