1) Will it cut 2x4's? (like the small cordless saws already on the market)

2) Will it do angle cuts? (like the small cordless saws already on the market)

3) Can you buy the blades at any hardware store? (like the small cordless saws already on the market)

4) Is it offered in cordless so you can cut overhead like you showed in the video?(like the small cordless saws already on the market)