Home Depot offers the Honda 21" 3-in-1 Self-Propelled Lawn Mower, model no. HRR216K9VKA, for $399. Coupon code "SPRINGHD" cuts it to $389. With free shipping, that's a buck under our mention from three days ago and the lowest total price we could find by $71. It features variable speed control, micro cut twin blades, and a folding handle. Coupon expires April 27.
A close price: Max Tool offers it for the in-cart price of $389.99 with free shipping.