Any honorably discharged vet can stay at Shades of Green during the months of September and January. Also, if you are a guest at Shades, you can purchase discounted Magic-Your-Way tickets from the attractions desk at Shades, which are not only discounted, but are also tax-free. If you book a stay for one of those months, you can advance purchase your tickets
https://www.shadesofgreen.org/index.php/experiences/tours They'll send you scans of the tickets so you can link to
MDE, and have them ready to hand to you upon check-in. Granted, all of that is only for those 2 months out of the year, but that's better than none.
ETA: Shades of Green MYW ticket price list