Unable to access or replace a shower cartridge because the access panel is sealed with silicone and tile, making it impossible to reach with standard tools.

Workarounds Described

• Used diamond blade on oscillating saw to cut through tile, failed
• Considered renting a handheld tile saw

Implied Software Gaps

• Tool selection and rental guidance for tile cutting
• Augmented reality to locate hidden cartridge access points

CartridgeAccess Pro

A mobile app that guides DIYers and plumbers through cartridge replacement with step-by-step video instructions, tool recommendations, and access to rental or purchase options for specialized tools like tile saws. It also connects users to local plumbers who can handle tough installations.