Tier 1 Articles on Many Topics

For GSA Search Engine Ranker T1 campaign I need articles written on many topics and would like to find a writer or writers who can do this. The articles must be tier 1 quality, and in perfect english. 500-700 word each. Each article must pass the following website tests:

copyscape.com
grammaly.com
duplichecker.com

The articles must be already in spintax format. So article must pass thebestspinner test +70% in at least 50 generated articles.

Please provide your credentials for writing as well as what you would ch arge per article. Also let me know if you have written articles that pass grammarly.com before.

I want to find a good freelancer for all our current and future projects.

Thank you!