One question per page, answered first, for the person who asked it: the operator, the CFO, or the investment firm behind them. For the bigger picture, start with the guides.
Prove AI ROI with dollars the CFO can trace to an invoice, a payroll line or the close calendar, measured against a baseline set before the work began.
Start with one weekly decision that costs real money when it goes wrong. Use data you already have, give it an owner and measure the result.
An AI demo is not a working business process. Before funding the next pilot, settle who owns the result, where people use it, which numbers it trusts and who runs it after launch.