Sewage odors invading homes from improperly sealed drain pipes

Homeowners experience persistent fecal smells emanating from drain pipes that aren't properly connected to P-traps, creating an unbearable living environment and potential health concerns. Current DIY solutions are unclear and often ineffective, forcing people to either live with the smell or pay expensive plumber callout fees. The problem is urgent because it affects daily comfort and can indicate serious plumbing issues.