The next verses describe the same person: he gathers money and counts it, and counts it again. The Arabic repeats on purpose — you can picture him going back to it.
And he thinks his money will make him last forever. That is the link the surah is drawing: the person who looks down on others is usually the person who thinks what he owns makes him better than them.
It does not. Money is a thing Allah lent you, and lending is not the same as owning.