Ever wonder how some stores always have a mattress sale? Seems some stores have a new mattress sale every three days. Some stores have adapted the practice of marking up prices to some unknown "compare at price", then they reduce the price to what they really want to sell it for. For example, taking a mattress set that should sell for $999 and making a "compare at price" $1999 and offering it to you for half off $999. It's not really a mattress sale. It's just a way of making you think you're getting a good deal. Smart shoppers avoid stores that use these tactics. Now that you know about it, you should to.