> And no, the cavern is not already built for you, it's produced by solution mining of an existing salt formation. This plan is to repurpose existing mines. Ye

> And no, the cavern is not already built for you, it's produced by solution mining of an existing salt formation. This plan is to repurpose existing mines. Yes the cavern is already built for you as far as the cost estimates are concerned. > But anyway, the basic point I've been making is extremely elementary, and it's remarkable and more than a little appalling that you are unable to understand it. You need to step back and stop embarrassing yourself. And by resorting to insults you've demonstrated that you are not interested in participating in good faith. This is the exact opposite of what you want to do if you want to convince someone that your claims are correct.