Deep interior detailing costs more when there are embedded stains, sticky spills, heavy dirt

https://www.slideserve.com/iortusavty/full-interior-car-detailing-cost-what-s-included-in-a-deep-interior-clean

Deep interior detailing costs more when there are embedded stains, sticky spills, heavy dirt, or grime buildup in hard-to-reach areas of the vehicle.