Monoprice has it for the same price via other third-party storefronts on eBay and at Walmart. (Ironically, it's $500 direct from Monoprice.)
Amazon also has it for $400 with free shipping (backordered).
Amazon with WKWZY Direct has the WKWZY USB C DAC USB Type-C to 3.5mm Headphone Adapter for iPad Pro and USB-C Android Devices (Black) for $14.94 - 30% off with code 30USBCDAC [Exp 10/15] = $10.46 with free shipping on $25+ or with Prime.
Amazon with Pastigio has the Pastigio 10.1" 1280x800 HD IPS LCD Wi-Fi Wooden Digital Picture Photo Frame with 16GB Built-in Storage, Auto-Rotate and Photo/Video Sharing via App for $150 - $60 off coupon (check green "Save coupon" box) - $15 off with code LOXM84EC [Exp 10/12] = $75 with free shipping.
Ends at 10PM PT. Best Buy has the JLab TALK PRO Professional 192kHz/24BIT Plug & Play USB Cardioid Microphone with USB-C Output on sale for $90 with free shipping.
Monoprice has the Monolith by Monoprice THX AAA Balanced Headphone Amplifier featuring THX AAA 887 Technology, Balanced and Single-Ended Inputs (39359/139359) on sale for $250 with free shipping.
Amazon has the 5-Pack Wacom Standard Nibs (Black and Pistachio, Small and Medium) for $4.57 with free shipping on $25+ or with Prime. Sells for $7.87+ elsewhere. Compatible with Intuos4 pen, Intuos5 pen and Intuits Pro pen, grip pen, airbrush pen and classy pen.