The budget is the financial plan for the project or program. It includes both the sponsor and non-sponsor share of the total project cost.Proposal Budget Template. Common Agreement Templates. These documents include a Budget Template and a Scope of Services Work Plan Template. Realworld budget examples; A downloadable budget template; Expert advice from grant administrators and funders. Internal Budget Templates. A proposal budget is a best estimate of the costs requested to complete a project. Budgets should be prepared with as much detail as possible. A consulting proposal is a document that outlines everything that you, as a consultant, would deliver for a potential project or client.