The old adage isn't necessarily true for sweepstakes: If it sounds too good to be true, it might not be. Which makes it even harder to tell what's legit and what isn't.

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Fortunately, our expert knows what she's doing, and is more than willing to tell you. So you can sweep in peace!

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Or: 'Why you should beware of the large check.' Especially if there isn't an affidavit involved first.

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