Factory Authorized Outlet via eBay offers the DuroMax 2,000W Portable Gas Generator
, model no. XP2000iS, for $349.99
with free shipping
. That's the lowest total price we could find by $50. It features 1,600 watts continuous (2,000 watts peak) output, a 3-horsepower 80cc engine, 6.5 hours of runtime at 50% load, and four outlets.