eBay has the August Bluetooth Keyless Home Entry Smart Lock (Dark Grey or Silver) for $95 with free shipping. Retail price: $400. Compatible with most standard deadbolts, and works with most Bluetooth-enabled devices to sense your approach and unlock automatically.
Amazon has the Greenco 11" Super Strong Foldable Step Stool for Adults and Kids (White, GRC0050B or Blue, GRC0050E) for $9.99 with free shipping on $25+ or with Prime. List price: $19. Made for children and adults and can carry up to 300 pound, dimensions 11" W x 8.5" L x 11" H.
Amazon has the Mr. Beams MB330 Wireless LED Spotlight with Motion Sensor and Photocell (White) for $8.66 with free shipping on $25+. Retail price: $25. Features weatherproof design for durability, extremely bright LED with minimum power consumption, 140 lumens, motion sensor turns spotlight on and off automatically.
Has excellent Amazon Reviews.