Originally Posted by JoshC
what would a basic system cost?
Browse Craigslist for a used tank. There are a lot of 20 lb. tanks on there that people have used with their kegerator systems. I found one for $50.00 and they retail at $150+. You can also buy a 5 lb. tank for about $80 filled. A good regulator costs about $100.00 and diffusers are cheap enough.
So you're looking around $150-$200 depending on if you need it now or can shop around for deals. But then after that a 20 lb. refill is $20-$30 and lasts a year on a 50 gallon tank.