Cleaning any plants roots is always a good idea, especially to discover if they are dried out, overwatered, stressed, damaged, root bound, or root rotted.
Relieving these symptoms from the plant usually requires the roots to be soaked in a hydrating, organic water-based solution to aid in recovery if plants express symptoms of illness.
This may sustain or extend the life of the plant, especially pest control is provided at the same time to ensure wholesome plant care.
Soak prices vary per plant depending on size and liquid volume of solution needed.