Walmart offers the Whetstone Cutlery Double Duece 22" Machete, model no. 25-28220, for $11.57. Choose in-store pickup to drop it to $11.01 $8.92. That's the lowest price we could find by $3, excluding the mention below, although we saw it for $2 less in January. It features a black coated rust-resistant stainless steel blade and rubber handle.

A close price: Amazon has it for $11.57 $9.91 with free Prime shipping.