CCX is a great kit, I am more optimistic than most and say go ahead.
Just have a plan and plan for the long haul. It can be fun and also frustrating both and sometimes even at the same time. They were a good kit so "do it right" which means $$. Doing this right will get you an car that will hold its value and doing it wrong, well you will not be happy.
Reach out if you need anything!
Whatever you decide, never buy parts from a company in NH. Secondly, if you dont listen to the "Buyer Beware" do not think he worked at AC since he has an accent. Its a deception