Unexpected expenses can make an otherwise well-planned trip more difficult to budget for. Travelers usually remember to calculate accommodation, fuel, meals, and activities, but documentation-related costs can easily be missed. Before setting a final spending limit, it makes sense to check the Mexico Land Card Fees information and include the applicable expense in the overall calculation. I’d also keep a small reserve for things that cannot be predicted in advance, such as additional transport or changes to accommodation. Knowing the expected costs before leaving gives you a much better idea of how much money is available for the enjoyable parts of the trip.