Logged into my RedCard account and found this offer advertised.
This coupon is only valid to Target Red card holders when clicked on the Hotels.com link via Target website.
Use this coupon to get 10% off the price of your booking at a participating hotel when you stay between 1 and 28 nights.
You must pay for your stay when you make the booking. The discount only applies to the first room in the booking. You'll need to pay the full price for any other rooms. The discount doesn't apply to any taxes, fees or additional costs.
To use this coupon, you must be over 18 years old and resident in the United States. You may only use this coupon for bookings made between 12:01 am MT on 09/15/18 and 11:59pm MT on 11/01/19 on the US version of Hotels.com for a stay to be completed between 09/15/18 and 12/31/19.