Go throught a site with 2000 words/50 pages and point and correct all kinds of errors in the english language.
Small job, 50 USD should do it.
Note: Correct title: English Revision for native speakers
4 freelancers estão ofertando em média $49 para esse trabalho
Hi. I'll be happy to do this proofreading job. Please check my profile for credentials, and you will be convinced that my language skills can prove valuable to this task. I look forward to hearing from you.