Groupon offers the Foscam Pan & Tilt Wireless IP Camera in Black or White, model no. FI8918W, for $49.99 with free shipping. That's $3 below our January mention and the lowest total price we could find by $5. It features remote Internet monitoring, 2-way audio, and auto IR-LED illumination for night vision. This camera can be controlled via smartphone.
Note: It's also available with a 9dbi Antenna for $59.99 with free shipping. That's the lowest total price we could find by $49. Both deals end March 27.