Touchscreen Tablet for Drawing

I’m thinking about making a Touchscreen Tablet for Drawing and Sketching. I really like the art software Paintool Sai and Affinity. I’m trying to decide for in the future to either get a drawing tablet for my computer or use my raspberry pi and maybe, make a Touchscreen Tablet There’s this https://www.amazon.com/gp/product/B08Q7TH7GK What do Y’all think?

You might want to get a touchpd made for drawing that can use usb

Also the one linked is way overpriced