Woot has Belkin Thunderbolt 3 Dock Core w/ Thunderbolt 3 Cable on sale for $29.99. Shipping is free for Amazon Prime Members (must login with your Amazon account and select a shipping address in order for Woot to apply free shipping) or is otherwise $6 per order.

Thanks to Deal Hunter Navy-Wife for sharing this deal.

Product Features:

• Thunderbolt-certified dual-powered dock.
• Compatible with Thunderbolt-certified Mac and Windows laptops with a Thunderbolt 3 port.
• Connect multiple devices to your laptop through one dock, including monitors, USB stick, mouse, keyboards, internet, hard drives and more.
• Supports dual 4K UHD displays @ 60Hz.
• Supports pass-through power from a laptop to connected devices.
• Ports:
  • 1 x DisplayPort 1.4
  • 1 x HDMI (HDMI 2.0)
  • 1 x Gigabit Ethernet connection
  • 1 x Tethered Thunderbolt 3 cable connects to laptop
  • 1 x USB-C PD port (input)
  • 1 x Audio in/out
  • 1 x USB-A 3.2 Gen 2 (10Gbps)
  • 1 x USB-A 2.0