Planning a DIY water catchment system

Researching now. https://youtu.be/wOumD-IFfBg?si=MZZd9pVZ7fmgryBz https://www.amazon.com/gp/product/B004VMFYBI/ref=sw_img_1?smid=A13F7XKM8D9DJN&psc=1 https://www.youtube.com/watch?v=63Ov9yM5ZW0&ab_channel=GreenTechTown