Beyonce and Jay Z can’t always get what they want — they’ve been unable to find the perfect L.A. home to buy … so, instead they haggled their way into a rental for $150K a month … and yes, that’s a deal. They’re familiar with the crib in ritzy Holmby Hills — it’s the same one they rented last summer on a short term lease …real estate sources say they just locked it down for a full year.