I see you took advantage of a military discount @ WDW.
Assuming you are the military family, there is a discount on annual membership to COSI for military families.
Don't know if you've considered membership, but even at regular price, it's a great deal if you go to other museums and such using the reciprocal benefits.
We have a membership @ Columbus Cosi and have used it to get into several other venues. Just a couple of weeks ago we went to the Cincinnati museum.
We've also gone to MOSI in Chicago, Imagination Station in Toledo, and a couple others in the Cleveland area. The reciprocal program makes it easy to get your value from a membership!
Other than that, I don't know of daily admission discounts.