Your question is Channel Optimization vs New Testing. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
You're advising a growth team that has one acquisition channel already working and a few unproven ideas for expansion. Leadership wants to know how to balance squeezing more out of the current channel versus putting budget and team attention into a new one.
How would you prioritize between optimizing an existing channel and testing a new one?