Hotel Charges that are in Dollars

On occasion our Mexican son in law has phoned hotels from our home in Canada. When we plan family beach vacations he says he can always get us a better rate if he phones. We have vacationed in pesos at a much better rate than the one quoted in USD to us. Our daughter had friends at her wedding in Nuevo Vallarta and one couple had a credit card problem, I loaned him the money and he said to pay the bill in pesos vs USD , saved 140 USD on a three day stay. Very happy to see Mexicans do get a better peso price and can enjoy their beaches.
Pissed us Canadians have to USD when we are not in the US but that has been whined about here many times. The dagger to the heart is at the Airport when those not aware enough to bur their alcohol in town have to use USD . Many items are cheaper at home in CAD