My own opinion is that Disney needs to make limited releases....actually limited.
The limited edition WDW Funko Pop! figures for example.....Disney sells them for a regular, reasonable price of $19.99.
BUT....instead of limiting them to maybe 2-3, Disney sets their limit for sale at 10. You end up having entire families wait in line with each family member buying 10 of them.
So let's say a family of four does this. That family now has 40 of a certain item.
And then they go to eBay or Amazon.
https://www.amazon.com/POP-Disney-Exclusive-Plastic-Protector/dp/B075M3CC8Y
Orange Bird listed for $91.00. Remember, this was an in-park exclusive, sold only a the four main parks and the World of Disney store at Disney Springs. The list price was reasonable.
So that's my two cents....to discourage extreme scalping, Disney needs to put deeper limits on specialty merchandise.