Originally Posted by thebat

But the GC's cost $6-$7 each and then a buck or two to liquidate. So, if you get 20 gallons with $2.25/gal off, you save $45. Great! But, you have to spend about $20 for the GC so you net about $25/tank. Factor in the hassle of the GC's and you have to wonder if it's worth it.