Requirement is to write 3000+- well researched and written article on all these keywords which are similar: (spread them throughout)
car diagnosis tester
car diagnostics tester
1) 20% of content to explain what "car diagnosis tester" is.
Experience of using them.
Who are they for.
Is it worth using them, etc.
2) 80% of content to compare car diagnosis testers found on Amazon. IE: You're reviewing 10 car diagnosis testers. Each is to have picture(s) of course.
3) Let content reflect the title of article: Top 10 Rated Car Diagnosis Testers for 2018
Including necessary pictures/videos to support the argument/reviews.