Give your internal champion a deck, one-pager, and FAQ to sell on your behalf to the buying committee.
Build a "selling kit" for every deal: a 5-slide executive deck, a 1-page ROI summary, and a FAQ doc that addresses the top 10 objections you've heard from similar companies. When your champion asks "Can you send me something I can share with my boss?", you're ready. Personalise the ROI numbers to their business. Record a 2-min Loom walkthrough of the deck so they can play it without you in the room.