Dude, find your local tech school and buy them a rack of PBR's and ask the whiz kid in the tig welding class to fab you the tank if you buy the sheet aluminum and steel. Throw him some cash if you can. Tanks aren't hard to make and you'll make more buddies.
1200 is too steep. Have it made.
And porkchop, love your motto. I always say working in Molly is like handing out a stack of Thirty dollar bills!