I bought a Greenworks dethatcher:
https://www.amazon.com/dp/B0030BG1HM...t_details&th=1
Don't laugh. It has very good reviews. I paid $75 for it. Guess how much a 100' 12-gauge extension cord costs for this machine? That's right---$75 to $100. Any cheaper sources for extension cords?
For 100', would 14-gauge work?