How to avoid costly mistakes when hiring a business plan consultant?

To avoid costly mistakes when hiring a business plan consultant, start by thoroughly vetting candidates through their references and past work to ensure they have a proven track record. Clearly outline your project goals, timelines, and budget to ensure alignment. Additionally, consider conducting interviews to gauge their understanding of your industry and specific needs. Finally, request a detailed proposal that includes deliverables and milestones to prevent any misunderstandings later on.