The document discusses common tactics used to challenge proposals, such as confusion, delay, fear mongering, and ridicule. It provides advice on how to effectively get buy-in for a proposal from stakeholders. It outlines a case study where a product manager presents a new mobile website project to a committee. Various committee members employ different challenging tactics to the proposal. The document concludes by recommending being prepared for anticipated questions, focusing on the whole audience, and keeping responses respectful to successfully get approval.