Amazon's businesses are currently self sustaining and make tons of profit right now. Amazon then takes those profits and invests them in other businesses it thi

Amazon's businesses are currently self sustaining and make tons of profit right now. Amazon then takes those profits and invests them in other businesses it thinks will make more profit later, removing their status as profit. That's why it's as easy as turning on the spigot, they can simply choose to stop expanding, everything else is proven.