How to Prioritize Channels for Growth

I've seen so many times the founders kind of chase like vanity metrics or things that won't actually move the needle for their business as well. You can get swayed by focusing on particular channels or approaches that might look good on paper, but don't help impact the growth of your company. Do you have any systems or processes that help you sort of both brainstorm and also select where you want to double down your resources and focus? I mean, absolutely.