Home builders are starting to see the advantage of incorporating solar and energy storage products directly as part of their offerings. One home builder in Australia decided to make solar arrays and Tesla Powerwalls standard in 50 “knockdown rebuild homes” and claims that ‘it’s like putting around $50,000 in your pocket’. Earlier this week, we reported on how Tesla’s giant Powerpack system in Australia made around $1 million in just a few days through the country’s wholesale electricity market. Homeowners can do the same on a smaller scale if they have a home solar array and a Powerwall, Te…