Probably not bad if you do a bit of welding, I got my tank "used" from Airgas I bought it outright so I don't have to pay a lease on it and ever time I get gas it's an exchange so I don't have to worry about "my" tank expiring .However you should check with your gas supplier to make sure they will accept it as stated in the addThis caught my eye. Gas Bottle - Refurbished, Metal Working, Welder Supplies, Welding Accessories | USAWeld.com 55cf refurbished for $100.
Is this a good deal or not? I have no idea. They say shipping is free though.