Walmart offers the Sportsman 1,400-watt Portable Gasoline Generator for $149 with free shipping. That's $36 under our mention from three weeks ago and the lowest price we could find by $96. This generator runs on unleaded gasoline and features a 2.6-horsepower engine, 3,600 RPM, recoil start, 2,000-watt surge, circuit protection, and 9-hour runtime at 50% capacity.