I bought a new 80 cubic foot tank for $109 in 2005 and paid $8 to fill it. I think you'd have to be doing a bunch of welding to justify buying a 248 cu ft tank.

"It's just a phase. He'll grow out of it." Mama, 1964

1956 Chevy 1/2-ton 3100
1953 Chevy 6100 "The Yard dog"
1954 GMC Suburban Now with a new proud owner.