Lowe's takes up to 35% off a selection of tools and accessories. Choose in-store pickup to avoid shipping fees, which start at $5. (MyLowe's members bag free shipping on select items. Not a member? It's free to join.) A couple of best bets:
DeWalt 65-Piece Screwdriver Bit Set for $9.98 $12.98 (pictured, low by $12)
Kobalt 63-Piece Standard and Metric Mechanic's Tool Set for $29.98 (low by $6)
Making any of these key foods yourself will improve your meals and your budget — not to mention your health, in some cases.