I have one and it is maxed out...I am working on bringing it back down. Once i have it down to almost nothing, I will lower the limit and keep it for emergency use...For example, My car breaks down and it costs more than what i have at the time. I just use my credit card.
I think they are good for those kinds of purposes, But they really can be evil if you are not carefull with them.
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"To win any battle, you must fight as if you were already dead" -Musashi
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