If by normal you mean the same ... then true ... in both Liverpool and United's periods of dominance they had the financial muscle to cherry pick the best talent with huge transfers fees and by paying the highest wages ... Clough and then Wenger built teams that could compete in those different eras ... Ranieri was the next that didn't effectively buy a title ...
It's a bit precious to hear fans of ' Pool and United bleating how unfair it now is that the nouveaux riche are able to pay as much, if not more, than they can to maximise their chances of trophies and success ...