MaxTool via eBay offers the Durostar Eco-Shredder Chipper, model no. ES1600, for $159.99 with free shipping. That's the lowest price we could find by $59. It features a 2-horsepower motor and three-cycle shredding.
Walmart offers the Stanley 16-Piece Passthru Set, model no. STMT74900, for $19.97. Opt for in-store pickup to avoid the $5.99 shipping charge. That's $10 off and the lowest price we could find, although it was $5 less in September. It features chrome vanadium steel.