I came across this excellent article this morning on identifying author scams and publishing companies to avoid. Click on the read more here link below for the full article.
“The great thing about publishing with major retailers is that it’s almost always free! And unless you’re 100% technophobic, you shouldn’t have much of a problem uploading your book to Amazon or Kobo or Apple Books within a few quick minutes. There is often value in working with a professional to optimize your blurb and your metadata or perfecting your author bio, but getting your book listed on Amazon is not something you need to pay for.”