The EcoFlow Blade robotic lawnmower will save you a lot of trouble this summer, given you're willing to handle the cost and have the right kind of lawn.With many appliances becoming "smart" every year — often needlessly — it's refreshing to see a lawn mowing solution that would save homeowners hours per week. EcoFlow specializes in portable power stations, solar, and other smart devices, and the Blade is its first attempt at a robotic lawnmower.Coming in at just under $3,000, the Blade has many features built in to stand the test of many seasons chopping grass. With LiDAR obstacle avoidance sensors, wire-free boundaries, route planning, and a 10-inch cutting distance, it's perfectly made for people with medium-sized and flat lawns.…