> Making a 10 foot hole is a massive amount of energy being spent. If the dirt has a density of 2, then lifting out a 10 meter cube would require 55 kWh of ene

> Making a 10 foot hole is a massive amount of energy being spent. If the dirt has a density of 2, then lifting out a 10 meter cube would require 55 kWh of energy, which would cost a few dollars.