The very best and cheapest place to get any tanks is..........Craigslist

I found a guy up near Detroit that buys tanks from bankrupt companies and then re-sells them.

For $150, a 125 cft argon or any other tank full of gas. I've bought 5 tanks off him and saved a ton of cash. All almost brand new with recent testings.

Check out Craigslist. It's full of tools and other stuff that weldors use!

PS...don't think you will find any used Everlast welders on Craigslist. There does not seem to be too many people that want to sell theirs.