Labels are generally not expensive, but if you don't want to spend more than is necessary, you can just as well create them yourself. It's easy, quick and fun. And besides, creating your own label template will not only save you money, but it will also add a personal touch of originality and it will personalize the labeled items. Labels can be funny and cheerful or they can add professionalism, they can confer uniformity or stand out. Basically, when you create your own template for a label, the only limit is your imagination.
That's how to create a business letterhead in Word. Now, how do you monetize this new_found knowledge? Offer to your community a letterhead printing service. You can offer to design a logo and print the letterhead. Don't know how to design? Outsource it and then mark it up. Then go to a printing press, get a quotation to print letterheads and then mark it up. But don't mark it up too much. The point is to get as many clients as possible even with a small profits. Several small profits will always add up to big profits.