It is necessary to write a unique blog to rank higher?

Writing a unique blog is a necessity if you wanted to rank on Google because Google prefers uniqueness. If you copy an article and you wanted to rank on the first page on Google it will never gonna happen. Some people spin content with some tools to make it unique but it ends up messing with the content because if you do that your article will not make any sense. Google can also penalize your website for doing that

https://batterseawebexpert.mystrikingly.com/blog/things-to-know-before-doing-paid-marketing-for-health-insurance

https://webexpainer.wordpress.com/2021/10/13/types-of-pay-per-click-advertising/

https://batterseawebexpert.quora.com/How-to-do-keyword-research-for-free