There is no such thing as "rent extraction" in a free market. I am gaining capital because I am serving others well, so they voluntarily give me their money. Tr

There is no such thing as "rent extraction" in a free market. I am gaining capital because I am serving others well, so they voluntarily give me their money. Trade is not zero-sum, we are both better. Capital I accumulate is reinvested, or spent on things I want. There is no problem with capital accumulation. You have come to the exactly incorrect conclusions