I certainly agree with your sentiments. I am not into hoarding.

One question.

Let's say I have booked 3 nights at a HI in the Miami area for
next year's SuperBowl (75,000 points) where the terms explicitly state that
I will pay for the stay should I not turn up.

If I then decide that I am not able to go and decide to offer this
stay on CC, am I obliged to offer this stay for the exact no
of points I originally used given that I will have to pay for the stay
should the other party not show?

In my book the no show aspect of the trade has to be worth something.