Currency
Local banks usually offer better rates of exchange than hotels, restaurants, or stores. Rates are often posted in windows. Above all, avoid private currency transactions. In some countries, you risk more than being swindled or stuck with counterfeit currency _ you risk arrest. Avoid the black market — learn and obey the local currency laws, wherever you go.
Shopping
Mail Small Items
When you purchase small items, it is a good idea to mail them personally to your home or to carry them in your luggage. This will help prevent misdirected packages, no receipt of merchandise, or receipt of wrong merchandise. When you mail purchases, be sure to ask about insurance.
American embassies and consulates abroad cannot serve as post offices. They cannot accept, hold, or forward mail for U.S. citizens abroad.
Items mailed home are not eligible for your $400 personal exemption. If the item that you are mailing home is less than $200, duty will be waived. Be sure to write on the outside of the package that it contains goods for personal use.
Value Added Tax (VAT)
Some European and Asian countries levy a value added tax...