The cost of each package and the 7 - night hotel stay certificate are constant through all the alternatives; the only thing that changes is the number of airline miles which you receive. (rewardexpert.com)
This is especially the case if you have any free night stay certificates as a lot of hotels will be moving up from Categories 4 and 5. (thetravelsisters.com)
If you find yourself in a situation where points or stay certificates just wont work, your only other choice is paying for a night. (travelcodex.com)