Some versions of the mod include a hack that multiplies your score per hit, allowing you to top global leaderboards (though this can get you banned from online play).
Wait for holiday sales. Com2uS often offers 50-70% off Gold packs. Homerun Battle 3d Mod Apk Unlimited Gold Balls
Note: The process described below involves installing software from third-party sources. Proceed at your own risk. Some versions of the mod include a hack