Newegg offers the Actiontec AV200 Powerline Kit, model no. PWR200K01, for $19.99 with free shipping, via the directions below. That's the lowest total price we could find by $5. It delivers up to 200Mbps for whole-home coverage. Rebate expires April 28. To get this deal:

1. View the Actiontec AV200 Powerline Kit for $29.99
2. apply coupon code "EMCPFHH74" to cut it to $24.99
3. redeem this $5 mail-in rebate for the final price of $19.99