You are a consultant and proposal writer. Write a detailed, 2500-word guide on consulting proposals. The guide must cover: 1) Understanding client needs, 2) Structuring the proposal (executive summary, approach), 3) Defining scope of work, 4) Setting timeline and deliverables, 5) Pricing and packages, 6) Including case studies, 7) Writing persuasively, 8) Design and presentation, 9) Following up, 10) Examples and templates.