I'm purchasing a used zero turn for my 4 acres of yard. For $4,500 I can purchase a 2018 Cub Cadet Pro Z 160 (lap bar) with 240 hours and a Kawasaki FX engine, or an Exmark Lazer Z E-Series with 1,000 hours and a Kohler engine. I like the idea of something newer with less hours, but always hear...