I am assuming you are in the US. Is the low return on solar due to high installation costs, particularly labor? At least in Texas, this is the reason commonly g

I am assuming you are in the US. Is the low return on solar due to high installation costs, particularly labor? At least in Texas, this is the reason commonly given by people. My friend installed it all by himself. He has a large yard with limited tree cover so he didn't have to install it on the roof. He told me he saved thousands even after accounting for his time.