“Capitalists are afraid of no profit or too little profit, just like nature is afraid of a vacuum. Once there is an appropriate profit, capital becomes bold. If there is a 10% profit, he is guaranteed to be everywhere. Use; if there is 20% profit, it will become active; if there is 50% profit, it will take risks; for 100% profit, it will dare to trample all human laws; if there is 50% profit, it will take risks. With a profit of three hundred, he dares to commit any crime, even risking being hanged." ("The Complete Works of Marx and Engels", Volume 17, page 258)

It's not easy to find reward points.