Check that the buyer’s name is rendered consistently across the contract, payment records, identification, and registration paperwork. Ask the local professional how any naming differences should be handled before funds move.
Three visits could be excessive if access is restricted and each one is charged as a complete inspection. I’d put the main effort into handover, when the apartment should be finished but still empty. Photograph and record every issue before furniture hides walls, floors or sockets.
Then keep...