The seating surface is not built with a solid plywood deck and contains webbing that tends to fail after a certain amount of time. Especially in high traffic areas.
Typically what we see when servicing a newer sofa is bad joinery on the framing. The manufacturer used softer woods and little to no glue when building it.
It depends on how extensive the service is. Some manufacturers don't build their furniture with ease of maintenance in mind. In some cases, the upholstery is built into the framing, and need to bring the items to the warehouse to make the repairs.
Yes, we do have a show room with a multitude of selections you can pick from. If you are not able to come in to the showroom we can recommend upholstery suppliers that you can shop online for you selections.