Having been in the cabinet industry for many years, I have opinions related to cabinet lazy Susans. The turntables are a nice extra to have in larger kitchens, but if your space is limited, I say leave them out.

No matter what style you install, whether it is a half moon or a pie shaped lazy Susan there is going to be a tremendous amount of wasted space. It’s always a toss up for the customer to decide if they want the space or the convenience that they provide.
read Lazy Susan Turntable

The best way to learn how to remove kitchen or bathroom vanity base cabinets without uninstalling the countertop is to just do it. You really can leave the counter in place and only take out the base cupboards, but you are going to need some two-by-four studs to use as supports.

• Tip: As a word of caution, not all backsplashes are attached to the countertops. If for some reason you are eventually going to throw the top away, read How to Remove Cabinets and Leave Counter Tops