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The most obvious way to blow your credit score is to make a late payment. Even if your credit score is solid, a single missed payment could cost you as much as 100 points, say many financial advisors. But even if you pay your bills on time religiously, your credit score may be endangered. Here are five charge card sins that could cost you some precious credit score points.

Find out the 5 Sneaky Ways You're Wrecking Your Credit Score here.

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