Again, FWIW, here's exactly what was presented to us.
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I was actually out of town so DH texted me this picture and he was on his own to do the bidding, but I was the one frantically calculating what the cost difference would be from a one-day hopper to a five-day hopper and figuring out what the break even point would be where it would be cheaper to do that than buying at
Undercover Tourist. I calculated the breakeven point to being somewhere above $500 so I told DH to stop bidding at $450, just to be sure there would be wiggle room. The actual paperwork was not provided during the bidding. He would have seen that and told me there were restrictions.
For all I knew, these could have been actual one-day park hoppers that some generous benefactor decided to donate to the silent auction - and those WOULD have been upgradable.