Expanding brain for coins in super mario odyssey (My opinion)

SPAMMING THE SLOTS MACHINE IN THE SAND KINGDOM; ABUSING THE COIN COFFERS IN THE WOODED KINGDOM; SPAMMING THE BEANSTALK AREA IN BOWSER'S KINGDOM; SPAMMING THE BEANSTALK AREA IN THE SNOW KINGDOM; SPAMMING THE BEANSTALK AREA IN THE WOODED KINGDOM; USING AN OVERCOMPLICATED METHOD THAT IS SLOW BUT EARNS A LOT OF COINS IN THE WOODED KINGDOM