Get up to $100 back when booking hotels through Hotels.com. You can save $20 off a 3-night booking, $30 off 5 nights, $50 off 8 nights, $75 off 10 nights, and $100 off 12 nights. To redeem the offer, use code REBATES13 at checkout when booking your hotel stay, then submit this rebate form via mail to Hotels.com. The rebate is credited back to your credit card. Its valid on travel through 1/31/14. Additional restrictions may apply.