Kill-A-Watt Electricity Load Meter for $15 plus $2 shipping ($17).
Plug it into a power outlet, and it will meter and monitor the power usage.
People have used it to check the power consumption of their computers, electronics, clocks, coffeemakers, and other devices, to discover what to unplug or turn off to save money.
- Refurbished Asus Router for $15
Asus RT-N53 Wireless N600 Router with third-party DD-WRT OS compatibility for $40, and code EMCAKNP69 applies $25 off.
It is refurbished, and comes with a 90-day warranty.
Its reviews and mostly poor, so this is only a good deal for someone looking for a very inexpensive wifi router.
It says DD-WRT compatibility, but some people had issues with it.