We’ve all been there — after crafting an extremely detailed travel budget, something goes wrong and we end up spending more money than we had originally planned. “How did this happen?” you ask yourself when you check your bank account back home. Hidden costs are to blame. Your credit and debit card fees, accidentally using your phone abroad, souvenirs, and that dangerous long layover boredom.

Do you want to avoid these unexpected costs? The first step is knowing them and being able to plan for them, too. The guys at Exporta Global created this useful infographic to help you save money while traveling.