: Some banks charge a flat fee (e.g., €15-€30) regardless of the amount, which makes small exchanges very expensive.
: Apps like Revolut or Wise typically offer the lowest fees and "mid-market" rates for digital transfers. buy dollars with euros
: Using a travel-focused credit card can often get you the best automated rate when spending directly in USD abroad. ⚠️ Key Considerations : Some banks charge a flat fee (e