I’m visiting for two weeks and roaming prices are insane, I’m considering getting a prepaid SIM-card. Can I easily grab one in any shop, e.g. at the airport/Walmart? What are the prices? Unlimited data would be nice, but I can survive with a few GBs too, I’d probably need it mainly for navigation.
I’ve been there and I can confirm that it’s expensive. As an example, here in Mexico, you can get a sim card for $7, and you just refill it with as little as $3 for 6 days and around 300 mb, or $15 for a month and 5 Gb.