This text discusses the examination of low-quality flexible water supply connections in apartments. Despite its popularity, flexible water pipe fittings can wear, damage, or be poorly constructed, causing leaks and water supply problems. The process and factors affecting the service's cost, methods of examination, types of defects, and damage prevention are discussed. The responsibility of monitoring the state of the flexible supply lies with the apartment owner, and regular inspection, quality product use, and proper installation can ensure reliability and safety for many years.