you should be able to get the tank recertified at a local propane place, or buy a new tank for 55 bucks.
what is CCI?
The part is expensive because they sell very few of them, so the price has to increase to be worth it for them to stock.
it is unfortunate, i went through the same ordeal a couple years ago. I NEEDED the regular but didn't want to pay 65. I found an equivalent at Menards for 15 bucks.