I browbeat my parents into buying a Toro 19" power lawnmower in about 1970 so that I could start a mowing business in the neighborhood. I was 10 years old and had been using our push mower previously, hard to make a living without a little automation helping out. I remember that there was also a 21" Toro and even one w driven wheels but the base 19" was the most I could negotiate. Of course, I agreed to mow our lawn until the year 3000 to close the deal.
Summers were so sweet in Minneapolis, I still love the smell of fresh cut grass. You geezers are really bringing back the memories.