Working in Blogger.
After 100+ posts I was running out ideas for new topics that would make worthwhile articles and began re-posting. There are some drawbacks but I think it's working ok for me and the alternative is quitting.
I have removed posts I didn't like and then rewritten them 6 months later but the most satisfaction comes from rewriting an existing article, in a text file, and keeping the title and top part similar. Generally a 500-600 word post results in a 900-1200 word article with things said that I wish I had said originally.
When complete I edit the Blogger post and change the date to today in Post Options, and then re-post it.

A post on re-posting that I need to re-post.

It's still a struggle.