Your main Summer holiday is a big investment, both financial and emotional. When you have spent so long plannig these two weeks, booked your time off and made all the arrangements to keep your home cared for, the last thing you want is a nasty shock on the financial front. So take care over your holiday cash if you are planning to withdraw cash or make holiday spending using a credit card. It is really easy to compare credit cards before you go to check how much they are going to charge you and the way they calculate their exchange rates. If you have not noticed, there is a very good deal available from the Post Office Credit Card plus they have a buy back arrangement for any unused currency. It is comforting to have these arrangements in place so you can enjoy your time off without any cares.