A marketing plan should clearly identify several things about your business: where you are; where you want to be; and how you intend to get there.
The Four Ps
You should include all these in your marketing plan:
1) Product
2) Pricing
3) Placing
4) Promotion
Product & Pricing
The most important part of this is research. To make sure your marketing plan is up to scratch, [...]

If you are planning on setting up a small business, you may be unclear as to what exactly marketing is, and how essential it is towards the overall success of your business.
Marketing refers to how your business accomplishes in three areas:
1) Identifying what your customer wants
2) Anticipating demand for your product or service
3) Satisfying your customers demand
If you [...]

When it comes to marketing your business, there is no timetable to adhere to, no rules in order to make things easier for yourself. You have to work on your own, at your own pace in order to get it right.
Generally though, you need to consider what you would like to achieve with your business [...]