Refurbished 5-gallon "Corny" kegs, typically priced between $34.95 and $79.95, offer a cost-effective way to expand brewing capacity, often saving users up to 50% compared to new models. Key suppliers include Beverage Elements , Corny Keg , and Keg Connection , with recommendations to purchase pressure-tested units and replace O-rings for optimal performance. Kegging 101 - Brew Your Own Magazine