Cover all bases. Before embarking on your plan it is a good idea to undertake some research in to what a professional business plan should include. You can then use this as a check list to make sure you have covered all the relevant areas. Sections of the business plan should include information on the company, the product/service market, competition in the field, management team, marketing strategy, operations and financials.
A business plan should be detailed. In listing your products and services for example, you should not really stop by just enumerating them. You also should write down the descriptions and scope of your products and services, touch base on production and identify means on how you can market your "brain - child" to your targeted niche.
Marketing Plan : This is where you include how you are going to get your customers. This is one of the most important parts of your woodworking business plan because without customers you don't have a business. For example if you are going to have a mail order side to the business you might include direct mail as a marketing method. If you are going to advertise in home and garden magazines this could be another marketing method. List these in bullet point form so they are easy to understand.
Operations plan- This section will include details of execution of the day to day operations of your business, location of your business and how it will benefit your business, HR policies of the company and the production plan if you are offering products.