Have keyboard will write

There are people who want a writer and will pay for their services. All sorts of people want all sorts of writers. All you, the writer need do is find that buyer and convince them that you are the one.
You could put an ad on the Net or in your local library or you could join some of the freelance writing sites on-line.
For starters you could Google freelance writing or go directly to www.rentacoder.com.
If you want to write to sell, take action then persevere.