Amazon has the Samsung SmartThings ADT Home Security Starter Kit for $100 with free shipping. Includes a hub, two door and window detectors, and a motion detector, and works with a wide range of smart devices. #1 Best Seller in Home Security Systems.
Amazon has the Vensmile Ultrasonic Pest Repeller for $30.90 - $12.36 off with coupon 7TRF2QND = $18.54 with free shipping. It features a 4-function switch and coverage measuring 5,000 to 6,000 feet. Effective in controlling rats, mice, roaches, fleas, crickets.
Has excellent Amazon Reviews.
Walmart has the Techni Mobili Super Storage Computer Desk (Espresso) for $139 with free shipping. List price: $150. It features three drawers, a storage cabinet, and a slide-out keyboard shelf.