"A quick trip to the local plumbing supply company resulted in some wallet shock and some beautiful 2" copper pipe." Try visiting your local scrap metal yard, I recently picked up a lot of 2" tubing and cast elbows etc. by weight. Those big "sweated" fittings cost a fortune new. I used to see a few of the old "AAR" pipe fittings at work when digging through our old material areas, if you are lucky maybe you can find an old salvage store that has those. We had one in my town with a lot of those old fittings, but one day I discovered they had finally junked them all to make room for new barbecues.