has anyone heard of this type of college savings? How does it work and is it any good?

State 529's are a great deal. Not only are you saving for college, you have some other benefits as well. Some states allow you to take the amount you put in off of your state taxes. And, all earnings are federal and state tax free as long as you use them for approved college expenses.

Can you use it at any college you want or just a state college?

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Little teacup

You can use them at any approved university in the states or international. And, pretty much any college you can think of is on there. The only time you are limited to a state school is if you choose to do a prepaid tuition plan.

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What a wonderful world