Whether you are a technical writer working for a single firm or a freelance writer working for many companies, you can benefit from creating templates for your documents. In the long run a good outline will save you time and effort, and deliver that elusive consistency to your material that users will appreciate. Here's how you go about it.
Perhaps a good subtitle would be, "How do I earn a bit of money when I learn how to create a business letterhead in Word." Because you can always find ways to monetize your knowledge (that's what knowledge is for, isn't it?).