: Most BOGO deals apply to a second mattress of equal or lesser value . For example, buying a $799 queen mattress might get you a second queen or a smaller twin for "free".

: Marketing experts note that the "psychology of free" converts better than standard percentage discounts, even if the final price is similar. Common Tactic and "Traps"

Several retailers and brands are currently using BOGO or heavy bundling strategies: Buy One, Get One FREE! - Sleep Outfitters