Google keep on giving and giving: expired domains why they still work and what to buy

Why, after all these years why do expired domains still work so well for SEO? Surely Google can kill off this huge weakness?
Nick explores why Google has let this ‘problem’/opportunity carry on… And on… And on.
He goes into how to profile the ideal expired domain, looking at

its link equity,
whether it’s been spammed,
relevance
likelihood passing a manual review.

With this, you’ll have the tools, data and knowledge to start acquiring your own expired domains.