Amazon discounts select Woods Surge Protectors when you clip the 20% off coupon on the product page, as listed below. Plus, Prime members qualify for free shipping. (Non-members can spend $35 to qualify for free shipping; otherwise, shipping adds around $7.) The deals, with prices after coupon:

• Woods 2-Outlet Surge Protector with Dual USB Charger for $9.17 ($14 off)
• Woods 6-Outlet Surge Protector with Dual USB Charger for $10.70 (pictured, $19 off)
• Woods 4-Outlet Surge Protector with Dual USB Charger for $12.34 (low by $9)