Not only is it often cheaper to book directly through the hotel, they often upgrade you to a nicer suite at least here in Aus whenever I've done that.
My grandfather taught me a decade ago (more even) to use Wotif (now Expedia) and similar to find places, then call directly. For someone who definitely did not grow up with this sort of tech, he was quite excellent at working the boundaries of tech and people to get good results.