With the rise of remote work and bleisure trips, many travelers don’t think twice about tossing an iPad, a laptop, and any other essential devices in their bag. But in Mexico, that could lead to hefty, unexpected taxes due on demand when you go through customs at the airport. Mexico allows tourists to bring only “one laptop, notebook, omnibook, or other portable computing device” on a tax-free basis,. You could pay a fine based on the value of each device.