Luckily there are ATMs all over Mexico that let you tap your account with a debit card and get Pesos at a pretty good rate that changes daily. When I was there (Quintana Roo) about a year ago we used to tap the ATM about every other day for a couple of hundred bucks at a whack.
Part-Owner of Texas
Outside of a dog, a book is man's best friend. Inside of a dog, it's too dark to read. Groucho Marx
In dire need of: faster horses, younger woman, older whiskey, more money.