Would capturing 100% of the market granting a monopoly essentially grant unlimited upside? Cause you can just jack the price to absurdity? Also wouldn't reducin

Would capturing 100% of the market granting a monopoly essentially grant unlimited upside? Cause you can just jack the price to absurdity? Also wouldn't reducing cost to zero have an infinite upside as well? Basically zero cost you can produce infinite output. Gettin real pedantic here heh.