None of it is cheap. When you use your debit or credit it will be in charged in Euros and then into dollars so you get charged for using the card and pay the fees plus the exchange rate difference. You want to save money take cash and go to the exchange window at a bank in France for your Euros. Make sure you call your bank before you leave or your account will be frozen.
It depends on the issuing bank. You should contact them for a specific answer.
Euro
Converting Dollars to Euros.
by euros
Chase Bank converts dollars to euros using the current exchange rate. They may charge a fee, however. Consumers are also able use a credit card or debit card abroad, but should alert their bank prior to doing so.
No, France uses Euros.
Yes
Euros.
The euro is the unit of currency in Spain, so you likely would be paying in euros.
Corsica is part of France, so yes it does use Euros.
Euros are the French currency as well. An Euro is worth about 1,50 $.
Bring some euro with you and before travelling put a large amount of money into your credit card so that there is a credit balance on it and then you can withdraw money from cash machines with less charges than using the credit card directly or withdrawing if you have a debit balance.