What is the source and breadth of the exemption for work to prevent loss (davar ha-avid)?

HolidaysChol HaMoedLabor Rules

Synopsis

The exemption for preventing financial loss is sourced to Kol Bo and extended by various authorities, with disagreement on whether it permits all work or only essential loss-prevention activities.

Early Acharonim
Late Acharonim
Lenient
Strict
Lesser cited
Major authority

Discussion

Discussion coming soon.

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