How do I deal with forty years of belongings when downsizing?

Forty years of belongings gets manageable with a system rather than tackling it all at once: sorting into what moves to the new home, what specific family members want, what an estate sale company can sell, and what gets donated. Starting months before a target listing date, rather than the week before, keeps the process from becoming a scramble that delays the sale. Joel Boss can recommend estate sale and cleanout companies other longtime homeowners have used successfully.