Curated links are links someone, usually a curated link seller, sells to individuals to help with a link building campaign. Links go into existing, relevant content so the link is also beneficial to the publisher. It can cost anywhere from $20 to $80 for one link depending on the quality of the post and the domain authority of the blog.
Also called niche edits, curated links contain anchor text of the client's choosing. Google may not like curated links, but it's hard to catch webmasters making money from adding a link to their content. Google can catch on when publishers add lots of links to a single post or page.
Getting links via niche edits is easier than writing guest posts. If you're willing to pay for a link, you might as well choose the option that requires the least time and effort on your part. Publishers are more likely to accept a link than a guest post. The publisher only has to create a sentence or two to insert the link naturally in their post. That is a lot easier than reading through hundreds of emails pitching guest post submissions.
Instead of going through an agency, you can reach out directly to bloggers in your industry. This works well with bloggers who accept payments for guest posts. You can offer a fair price since there is no agency to take a cut out of the payment.
You should examine your own site for outbound links you didn't put these. People hack sites and place links to their own websites in older posts that the publisher may not see. Usually it=s a gambling or adult site that may have nothing to do with your blog. Occasionally, hackers will place a link to their website, which is relevant. It would seem easy to catch these criminals because you have their website URL in the link, but it's not. Often the site owner knows nothing; they paid a shady link building service and thought they were getting legitimate links. For more information click here https://www.reddit.com/r/SEO/comments/i17c2f/isitbettertowriteaguestpostandlinkto/.