We went on our first trip to WDW last fall, and now I'm getting ready to book another one for September. Last fall I booked a package, off their website with a 40% off room only discount at SSR. I'm hoping I'll get to do the same this year, and I priced out the exact same pkg off their site, then priced out the room only cost so I could get an estimate on what the total cost of the trip will be if I can get 40% off again. I priced out tickets and the cost of the dining as well, and I'm noticing the components all priced separately come out $1000 cheaper than the pkg price they give me on their site.

Am I missing something? Is there perks you get with a pkg that you don't get if you book all components separately that have that much value?
Oh, and I'm looking at Sept.15-25 at SSR with
DDP and 7 day tickets if it makes any difference.