How relevant is the creation of sites for the sale of links?

Question

Search Engine Optimization

I remember that even before 2015, "linked" sites were a popular way to make money in the field of SEO. How are things going with this now?

Answer 1

In 2015, it was already the last century and a dying niche, that is, even then it was too late

Answer 2

If under bourgeois, then it makes sense. Exchanges are few, but they exist. Prices can be found, for example, here https://collaborator.pro/