Amazon has the Apple 96W USB-C Power Adapter (?MX0J2AM/A) for $50 with free shipping. Has excellent Amazon Reviews.
Amazon has the Woods 100-Foot 16/3 Vinyl Outdoor Extension Cord (23098803) for $17 with free shipping on $35+ or with Prime. Features heavy duty, 16 gauge, built with molded water resistant blades, resist moisture, abrasion and exposure to sunlight, suitable for outdoor use.
Has excellent Amazon Reviews.
Amazon is offering Up to 48% off Desktop & Accessories. Shipping is free for Prime members or on $25+.