Ask each person on your revenue team independently, without letting them confer, and paste the answers here. If they do not match, you have an ICP problem rather than a lead problem, and every dollar spent on channels before fixing it is wasted.
Two to six people. Founder included. Use their own words, not a tidied-up version, because the mess is the signal.
One email with your answers and the read. No sequence, no spam, and I am the only one who sees it.
This is the free version and you should go run it. If you want a real read on what is actually happening in your go-to-market, tell me where you are stuck and I will come back to you personally, as soon as I can.