Walt Disney World now discounting summer hotel room rates
Published: February 16, 2010 at 11:33 AM
Here are the details. (Scroll down to "Summer Travel Dates Added!")
The discounts are good for "most nights" between June 4 and August 14. The discounts range from 25% off on Value Resorts to 40% off on Deluxe Villas.
I'll leave the business analysis to you, in the comments.
You can find the link to Walt Disney World's deal and discounts page, as well as discount pages from other theme parks and resorts, on Theme Park Insider's Guide to Buying Theme Park Tickets page.