These folks have the best prices I've found yet for Q-Jet Bulk Packs, given that their shipping is free over $75:

https://www.hobbyrecreationproducts...t-model-rockets

For the 25 packs:
C12: $61.79/25 = $2.47 per motor
D16: $82.49/25 = $3.30 per motor

Their website seems to show real-time inventory. I received an order 5 days after ordering.

__________________
Paul
If we weren't all crazy, we would go insane - Jimmy Buffett
NAR #87246 www.wooshrocketry.org