This highly-rated USB-C hub brings HDMI, Ethernet and USB-A to your MacBook: $27 (Reg. $60)
HooToo Shuttle USB C Hub with Type C Power Delivery, Card Reader, 3 US – AJMartPK
HooToo's 6-in-1 USB-C Adapter Will Cost You Just $16.99 Today [$19 Off]
Amazon.com: HooToo USB C Hub, 6-in-1 USB C Adapter with 4K USB C to HDMI, 3 USB 3.0 Ports, SD Card Reader, Pd Charging Port for MacBook/Pro/Air (2018), Chromebook, and More USB