Ebay offers Ugreen 6-in-1 USB-C Hub Adapter for MacBook Pro and MacBook Air for $16.99 (reg $34.99) with free shipping.

Product Description:
UGREEN 6-in-1 USB-C Hub Adapter for MacBook Pro and MacBook Air M1 2020 2019 2018. Features a 4K HDMI Thunderbolt 3, a 100W fast charger for your MacBook Air/Pro, a SD/TF Dual-card Reader and 2 USB 3.0 Ports to expand your MacBook Air/Pro Capabilities

• 100W Fast Charger for MacBook Air/Pro  40 Gbps High Speed Transmission
• SD/TF Dual-card Reading with the highest speed up to 100MB
• Thunderbolt 3 Compatible
• 2*USB 3.0 Ports to support super fast data transfer for up to 5Gbps
• 4K UHD (3840x2160@30Hz) HDMI Port
• Compact and Portable Size