Out of curiosity what are the cost differences

I can’t believe what it used to cost to have a cage put in. My 82 charger was a pro street car when I bought it. It was a very slow B1 engine car. Very slow. I did some upgrades to it and had a friend tear out the cage and put a chrome moly cage in it. He did a beautiful job for 1100.00. I had it running 10.0’s with a stock crank 440 with 906 heads i
Ported.
My 12 point art Morrison mild steel cage cost $1200 and I picked it up