Where to offer service writing?

A friend of mine id trying to earn some money online by writing articles. She can write really high quality articles, so i told her that she can earn more than $1/100 words, but im not sure where she can find buyers for that price.
any suggestion is appreciated

The search button in this wonderful forum should give you the answer. This question has been answered multiple times.

Create a good ad, provide a sample article, and get the money flowing.
Less talk, more action. Experiment to see what works the best for you.