While these lawn mowers don't tend to come cheap, the product is more than worth the prices they sell for. From the different cutting settings to easy-to-follow installation instructions, there's a lot that makes these particular models a good investment.If you're unsure, take a look at everything the robot can give. You'll find that when compared to other products of similar quality, the WR140 is a very affordable tool and one of the best options on the market.