VM Innovations offers the Westinghouse 7,000W 420CC Portable Gas Generator, model no. WH-7000EC, for $670.95. Coupon code "H3E34" cuts it to $629.99. With free shipping, that's the lowest total price we could find by $360. It features a one-touch electric start system, OHV 4-stroke engine, pulse pro muffler for quiet operation, four 12V outlets, and run time of up to 11 hours.