The best discount code for cartly.ca currently is a 50% off promo code. There's also a deal for free shipping on store-wide orders. Additionally, there's a 30% off deal on sale collections. Another offer includes free shipping on orders above $90. There's also a 10% OFF Everything deal with a minimum $60 purchase. Please note that these codes and deals may be subject to terms and conditions of the website. It's recommended to check the website for the most up-to-date and valid codes and deals.