Upon arrival, technician was directed to the unit experiencing a backed-up kitchen sink. An initial diagnostic was performed, and a written estimate was provided and approved for snaking the drain line via the kitchen waste arm by removing the P-trap assembly. Proceeding with the approved work, the P-trap was disassembled and a cable machine was used to run a 3/8" drain snake approximately 30 feet, repeated in three passes. After snaking, the waist arm we reinstalled and the drain was tested for proper flow. Despite multiple passes, the main obstruction remained and the drain was still not free-flowing. Technician consulted with the customer and recommended hydro-jetting and descaling of the line as the next step to fully restore proper drainage. An additional estimate for this service was provided. Customer declined further work due to cost concerns and indicated intent to attempt self-resolution. As the blockage was not fully cleared, the original service charge was discounted to