iRobot's headline offer is free shipping on orders over $44.99. This no-strings deal applies automatically at checkout and suits any shopper ready to place an order, regardless of whether it's your first time with the brand or you're a returning customer.
Since the free shipping threshold sits at just $44.99, it's a realistic target for most purchases. If you're adding items to your basket and your total is heading towards or has surpassed that mark, you're already eligible for the delivery saving. There's nothing extra to do—the discount applies automatically when you proceed to checkout.
If you're not yet ready to shop, iRobot does have a newsletter signup available that promises special offers and promotions once you join. This can be worth considering if you want to build a wishlist over time and catch future deals before they go live to the public.
Remember that only one offer applies at checkout, so if you're eligible for the free shipping deal and also plan to sign up for the newsletter, take whichever saves you more money on your current basket. Most of the time, the automatic free shipping will be your best bet, but it's always smart to check both options when you're ready to complete your purchase.