The most expensive part is finding new ways to support the same old activities. Cheaper to do less, use less, build less, invest less, concentrate on what people need to live and help each other, so people might be right to be suspicious of expensive plans. But, I think reduction is actually easier for individuals than companies. You can complain about billionaires and corporations, and I dont mean to stop you, but keeping people employed in the region they live in is the big expensive part of most solutions, I think