VM Innovations via eBay offers the Steele Products 3,250-watt Portable Gas Generator, model no. GG300, for $229.99 with free shipping. That's the lowest total price we could find by $81. This 105-lb. generator features 3,250 watts continuous (4,000 watts peak) output, a four-stroke 208cc engine, and 13 hours of run time at 50% load.