This Miracle-Gro 0.75 cu. ft. All Purpose Garden Soil drops from $4.47 to $2 at HomeDepot.com with free in-store pickup. That's 55% off and ties with our mention from last year. It covers 0.75 cu. ft. and helps improve existing soil so your plants can build stronger roots. Note that there is a limit of 80 bags per order. Sales tax is charged in most states.