Back in the old days you had to either carry lots of Mexican money on you or travelers checks, then stand in line at the bank to cash them if you had sufficient identification. So it’s been great in more recent times with ATMs (cajeras) almost everywhere. But then you run into some hefty, annoying fees to get access to your own money. But now, if you are a Santander Bank customer, you can use their ATMs in Mexico with no charge. Hopefully, some of the other U.S. banks will do the same. Read more here http://www.prnewswire.com/news-releases/santander-eliminates-atm-fees-for-travelers-245542551.html.