Amazon can price lower than Target/Wallmart/B&N/Local Stores, lose money every year while the competition slowly dies.
Uber can price lower than local taxis, lose money every year while the competition slowly dies.
Tesla can price lower than Ford/Toyota/Merc, lose money every year while the competition slowly dies.
AirBnB can price lower than Hilton/Marriot/Locals, lose money every year while the competition slowly dies.
WeWork can price lower than office buildings, lose money every year while the competition slowly dies.
The problem is low interest rates and another tech bubble.