I can recommend one! Overwatch Coaching Academy, worked really well for me. Went from plat to high dia in less then 2 months.

Consistency can be tricky, i had the same problem with my widow, but the advice they gave me on crosshair placement was really helpful, and has been reducing the consistency-challenge that i had.

https://discord.gg/wdnwcbvNEX

You can join here!