Newegg offers the Netgear N300 802.11n Essentials Edition WiFi Range Extender, model no. EX2700, for $19.99 with free shipping via the instructions below. That's the lowest total price we could find by $15, although we saw it for a buck less last spring. It supports 300Mb/s transfer speeds, is compatible with any wireless router, and plugs directly into a power outlet. Coupon and rebate end August 27. To get this deal:

1. View the Netgear N300 802.11n Essentials Edition WiFi Range Extender for $35.50
2. apply coupon code "EMCAWNK25" to cut it to $29.99
3. redeem this $10 mail-in rebate for a final price of $19.99