Should I buy a second-hand solar system? Finn Peacock August 23, 2017 04:50 Updated Follow Nope - we explain why here. Related articles What price should I be paying for a solar system? Can renters benefit from solar? Should I buy batteries with my solar? I use 95% of my electricity after 6pm - should I get solar? I am building a house. Does it make more sense to pre-wire for solar or should we just wait and get it installed afterwards? Comments 0 comments Please sign in to leave a comment.