What Specific Search Tools Can Get Me Started Blogging Effectively?

I now know how to SEO with Ahrefs, but my keywords are too low quality, i. e. lacking in volume. I need access to a (preferably free) search tool that can filter keywords with low-ranking difficulty for high volume, but I haven’t found it, yet; the free version of Ahrefs doesn’t do this, but the paid one is almost $100 a month, whereas I can pay only $20, say, in a shared account, if I could find anyone to partner with.


Beyond that, how to sculpt blog posts for a another strategy, namely...

What Specific Search Tools Can Get Me Started Blogging Effectively? WordPress ...