Propane @ Costco
Went to Costco in Red Deer today and they had a 4 pack of propane cylinders (the standard Coleman sized one we usually use for the GGB's) for $13 and change. Don't remember the brand though. Check your local Costco's for actual pricing as I know they vary a lot geographically.
ASC & RAAT Age Verifier for Red Deer & Area Alberta