Buying an apartment in a New York co-op building can seem like such a great idea — at first. But just wait. There is often a steep learning curve that runs from happy optimism to weary cynicism.  This is one such story, as I remember it.  As most New Yorkers know all too well, when you buy a co-op, you don’t technically own the apartment itself, unlike a condominium. Instead, you are buying shares in a corporation with a group of strangers, and then you sign a lease.    Read the article……………….