Travel costs are rarely limited to the big-ticket items. Transportation, accommodation, meals, activities, and small administrative expenses can gradually add up, so I prefer building a complete budget before making final plans. For anyone traveling through a Mexican land crossing, checking Mexico Land Card Fees can help when estimating the documentation side of the trip. I’d keep these expenses separate from sightseeing and daily spending so there is a clearer picture of the total cost. That approach also leaves some flexibility for unexpected changes during the journey. Good budgeting may not be the most exciting part of travel planning, but it can make the trip feel much more comfortable once you are on the road.