Also, if you are looking to tack on your reservation to a paid stay or stay made with points you will need to make separate reservations as well. (dealswelike.boardingarea.com)
You may book a reservation of less than seven nights and discard the remaining value of the certificate, but you may not split the nights on separate reservations or hotels. (rewardexpert.com)
If we determine that you have booked more than 10 rooms in total in separate reservations, we may cancel your reservations, and charge you a cancellation fee, if applicable. (ivhtravel.com)