The gamification and potential earning power of your setup is intriguing. We have plenty of sun most of the year so having a solar setup also makes sense.
We live out in the countryside and out here being as self-sufficient as possible is definitely top of mind for many. I saw a post about someone in a surrounding area who has an 11,000 gallon rainwater catchment system that means he never has to worry about his well running dry. He uses solar panels to power the water pumps that move the rainwater from the containment area to the house.
has. I think even a small system of a few kW and a small battery could give savings. Those will depend on what tariffs the power company provide. Mine is quite generous for exporting.The hardware prices have fallen, so it seems to make sense in most places now. We are really limited to having it on the roof, but see what @solominer