Forever Stamps

I don't know about you but the Forever Stamps sounds like an Extreme-Couponer's dream! Imagine, you could buy up stamps this year while they are "only" 45 cents and store them away for the next 10 year's worth of Christmas cards. You could give them as gifts to children, and like savings bonds they will appreciate in value every year. They are a perfect tax-free investment. Unless the Post Office isn't forever...