Lowes offers VEVOR 16-in Worm Drive Concrete Saw for $197.90 (reg. $289.99) with free shipping. 

Product Description:
16 in VEVOR Electric Concrete Cutter: Are you concerned about debris splashing during cutting, which can harm your vision? The VEVOR electric concrete saw with wet-cutting attachments offers more precise cutting and prevents debris from flying; It also features a double switch design and overload protection for safer operation;; [Package Content] 1 x 16'' Cutting Blade; 2 x Carbon Brush; 1 x Spanner; 1 x Water Pump; 1 x 8×5000 Water Line

• The electric concrete saw offers a better cutting experience and preventing debris from spreading during cutting operations
• The concrete saw cutter is powered by a strong 3200 W motor that cut with ease
• The double switch helps avoid accidental activation, reducing the risk of injury
• A Clean Wet Cut: The VEVOR electric concrete saw offers a better cutting experience and reduces body damage by preventing debris from spreading during cutting operations;
• Cut with Ease: The concrete saw cutter is powered by a strong 3200 W motor that runs at a fast speed of 3600 rpm;
• Peace of Mind: The double switch helps avoid accidental activation of the concrete saw when it's not in use, reducing the risk of injury;
• All in One Convenience: The concrete cutter comes with a wheeled base that doubles as a cutting and positioning device, making it easier to create precise grooves with less effort; It also features a generously sized handle that's ergonomically designed for a comfortable grip during long work hours;
• Cut through Anything: Our concrete cutter saw has a cutting depth of 6 inches, making it suitable for cutting through various concrete materials such as stones, reinforced concrete, pavings, and bricks;
• Specification: Item Model Number: DC425; Blade Dia;: 16 in / 42.5 cm; Cutting Depth: 127 mm; Rated Voltage: AC 120 V / 60 Hz; Power: 3200 W; Speed: 3600 RPM; Item Weight: 37.5 lbs / 17 kg; Inner Hole Diameter: 1 in / 25.4 mm; Item Size (L x W x H): 32 x 9 x 19 in / 82 x 24 x 47 cm