Leg rashes can have several serious causes. A rash of purple spots on the legs or other areas can indicate a potentially serious condition, such as allergic purpura.
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Without Amazon Prime membership, you will be paying $12 on average for two-day shipping on each purchase. If you typically buy one item each month from Amazon using two-day shipping, you would be spending at least $114 a year, making an Amazon Prime membership worth the cost. If you don't always need items right away and opt for standard shipping instead ($6 on average), you would need to make at least 16 purchases a year to make an Amazon Prime membership pay off.