Q. My condominium in Brooklyn has two unit-owners who don’t pay their monthly charges. One seems to be having financial problems, but we’re not sure about the other. Our property manager told us that we need to file a lien against the units, but I heard from somebody else that this could be very expensive and we still might not get paid. We are not a big condo, so we don’t want to waste money, but we also can’t afford to have some unit-owners who are not paying. What should we do?      Read more…….