Production/ Operation plan: The production/ Operation plan should include strategies for the following parameters ; Location and reasons for selecting the location ; Physical layout ; Cost and availability of machinery, equipments, raw material ; List of suppliers and, if possible, distributors ; Cost of manufacturing ; Quality management ; Production scheduling, capacity management and inventory management ; Changes in above in the case of expansion of business.
But do not be too paranoid, make sure you are showing it to people you trust, whose feedback you welcome and can be genuinely useful in guiding how the plan takes shape. Very often when working as individuals we get very close to certain details and miss out a big thing that has slipped your mind.
However, business planning is an ongoing process and it should be updated regularly to assist in forward planning, the challenge for the entrepreneur while preparing a business plan is to communicate his ideas and identify gaps in management information about their business, competitors and the market.
That is a great thing to make sure you have in your business plan, that your business will be built around those real customer wants. Do not make callous assumptions, or statements like "I know what people want", "People are going to love this", and so on.