Is it better to buy Mexican Pesos here in my own country or dollars first?

It is far better and cheaper that you get most of the Mexican pesos (MXN) here in Mexico than abroad. Nevertheless, if you haven’t booked the very first services in your first day in Mexico, such as transportation (your taxi from airport to hotel, for example), meals (meals in hotel, but what if you are already hungry when arriving), then i recommend to change $1000MXN, especially in change (200, 100, 50). Don’t get a $1000 bill, since, almost no one accepts it or it will be difficult to get change it to low value coin / bill. The rest of …