D.M.
Here's a coupon for 10% off of a party of $200 or more good through May 31st (doesn't have to be for Girl Scout Bear, but you can definitely use it for that).
https://buildabearnews.com/servlet/formlink/f?IHIOQSDRAVL...
As for the Girl Scout outfits, it's while supplies last and I imagine this is going to be hugely popular. On the website, they're pretty much all showing up as out of stock. What our troop did was order the bears and the outfits now, and then we'll pick a date to go in the future. I would suggest calling your local build a bear and seeing if they have any in stock and then rushing over there and buying them ASAP!
Good luck!