This is just like the PP who wants to add the hopper. Essentially, WDW considers changing/adding to any ticket is an "upgrade" -- whether that is equal value or higher value (or even lower value, WDW doesn't give a refund). So adding the hopper to the base ticket may well result in being charged any differential for the base ticket cost as well as the hopper. As mentioned, sometimes you get a CM who can spread pixie dust and override that extra cost, but I wouldn't plan on it. Using the ticket doesn't modify the value any more.
Is it possible for the folks with a package to buy 3rd party tickets and cancel the tickets off the package (leaving a base package/room-only)? Some of the authorized re-sellers are continuing to sell "old stock" with the prices from last week.
Thank you. I guess if we don't see fall discounts then switching to a room only package might be best for them.