As of this posting Austin Homebrew Supply is shipping most orders of $49 or more for a flat $3.53 no matter how much you order to addresses in the contiguous 48 US states. No coupon code is required. This does work with many, but not all existing sale items. Check AHS for current availability.
Update: This promo has expired or pricing, availability or description has changed – Check the supplier’s site or product page for current availability
Recent Deals! Last Fifty Finds
Also: Check out Austin Homebrew Supplies Sale Items – Selection Changes Regularly
More: Recent Great Deals