A good template will provided a step_by_step approach with explanations as to why each step is proposed. The strength of the marketing plan derives from the integration of each step. So if you leave out a step, you may undermine your own plan.
The sixth section of the marketing plan is BUDGET. In this part of your plan you look at whether or not you can afford certain marketing efforts and devise a way to keep track and monitor the responses to your marketing activities. You can also determine what kind of funds it will take to accomplish certain marketing priorities.