Miracle-Gro Succulent 4-Qt Potting Mix $4.49 at Amazon
Amazon has the Miracle-Gro
Succulent or
Houseplant 4-Qt Potting Mix for
$4.49 with free shipping on $25+ or with Prime.
Home Depot has it for the same price with free shipping.
A single 4-qt. bag fills an 8" container.
Original Source of Info