multi hero level up option would be great, towards the late game I always end up levelling each guy by 25 scroll down, rinse and reapeat, over and over again
around 300 stock of each item, the earlier items (newspaper, carwash, pizza, etc..) start to cost more than the later items (Oil, bank, camera). I don't know if this is intentional, but it might be something worth looking at.
I've noticed that around 300 stock of each item, the earlier items started to cost more. I don't know if this is intentional or not, but it might be something worth looking at
 "Clicker Heroes"){kind=icon}
 "AdVenture Capitalist"){kind=icon}