I say he should sue the real estate agent, based on undisclosed facts regarding the condo, requiring the agent to buy the place from him.
So essentially this is like buying a place where a murder was committed, only the murder keeps getting committed every day in an adjoining room?
Carpets, pads are very good sound reducing materials. If you design a home theater system - one of the things you discover that what stops sound really well, are differing material densities. One such product is Quietrock, which is essentially drywall with a thin sheet of metal embedded in the plaster.
When you have a solid floor, then place a foam pad, and a carpet on top of it - you make a pretty effective sound barrier. Being a good neighbor means taking into consideration of not only what sounds are being masked by the existing flooring, but what shoulds you are muffling from going downstairs.
leatherphobic?
the perv can’t help being born with a leather spoon...