Update 1/25: Amazon offers the official Nintendo Switch Dock with bundled HDMI and power cables for $75 shipped (Reg. $90). Rated 4/5 stars.
After seeing the Nintendo Switch Super Mario Odyssey Lunchbox kit go on sale this morning, Best Buy now has the Insignia Dock Kit with HDMI and USB for $34.99. Shipping is free in orders over $35. That’s nearly 15% off the regular $40 price tag and the best we can find. Rated 4+ stars from over 160 Best Buy customers.
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Nintendo Switch Insignia Dock Kit:
Display, charge and play on your Nintendo Switch console with this Insignia dock kit. Its charging port with USB 2.0 output powers a controller and any other compatible device, and its HDMI cable connects your Switch to an HDTV. This Insignia dock kit includes a USB-C AC adapter for power outlet charging.