AINOPE Direct via Amazon has 2-Pack 6.6′ Ainope USB-C to USB-C 100W Nylon Braided Charge Cable (Right Angle Design, Grey) for $14.98 – 20% off when you clip the coupon on the product page – $4.49 off when you apply promo code 30H7WVW5 at checkout = $7.49. Shipping is free w/ Prime or on orders $25+.
Note: Coupons are usually limited to one per account.