eBay has the Yale Locks B1L Lock YRD110 Push Button Door Security Bolt w Z-Wave (Bronze, Polished Brass, or Satin Nickel) for $90 with free shipping. Retail price: $190.
Amazon has the Flash Furniture Mid-Back Executive Swivel Chair (Black) for $64 with free shipping. Features lumbar support, mesh back, tilt lock mechanism, and pneumatic height adjustment.
Has good Amazon Reviews.
Walmart has the Xiaomi Mi LED Smart Desk Lamp (Tunable White) for $30 with free in-store pickup or $5.99 shipping to home. Free shipping on $35+. List price: $40. The Google Assistant-compatible Mi LED Desk Lamp has four preset "modes" and a range of color temperature configuration between 2700K and 6500K.