$20,000 investment and the ROI takes 20 years, too. In the interim, maintenance costs will kill you with defective panels, leaks, hail damage, Panel EOL, storage battery replacements, DC-to-AC converter replacement, etc.<quoted text>
Don;t ferget to ax fer the (patheTIC) 15 percent (IN) efficiency rating either DUHmbo lol.
But, hey!, like the children's choir sings: "It's All Free!"
If ImaginaryDave wants free sunshine, he should drop his pants, bend over and crack a smile to ol' Sol.