According to LeavingWorkBehind.com, freelance writers are paid somewhere between $0.03 and $0.25 per word for student article samples, as of 2015. TheAdventurousWriter.com suggests an hourly rate of $25 to $60 per hour for different types of freelance work with a specific suggestion of $40 per hour for feature article writing.
There are multiple online services offering to write plagiarism-free articles and essays for students. According to The Atlantic, students can purchase essays for $20 per page. The writing service EssayLab.org offers different types of essays ranging in price from $16 per page to $44 per page, depending on the topic.