T.F.
ETA; no problem Military Mom. You are likely more experienced with the currency than we are. I respect your opinion.
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I've never heard of anything like that.
Why don't you just save the money and when you have enough, book the trip. Make sure you save plenty extra for any additional fees, things to do, etc while there! Sometimes delayed gratification can help you appreciate something that much more.
The first post has a good idea of taking it steps at a time with airfare, hotels, and then whatever else is needed.
Make sure to include trip insurance as your health insurance does not always work on a trip like that. Also, make temporary changes to your cell phone plans so you don't incur additional very high fees.
When my daughter went to Europe, we got travel insurance at a very reasonable rate from AAA. Get your currency here through a bank before you go. You can return anything you don't use as long as it is not coins.