Users can potentially earn returns on their investments over time by investing in stocks through the Cash App. Using the app's cash back program and referral bonuses are just two of the suggestions for optimrummy noble 777izing profits on Cash App. Users can accumulate rewards by using the cash back program at specific retailers for regular purchases. Also, users can earn bonuses for each new user who signs up & sends their first payment by inviting friends and family to join Cash App using a referral code. Using the app's investing platform to buy stocks & use fractional investing is another way to optimize profits on Cash App.