Who sells everything instantly when moving to a new job? What if it won't work out? I think for a few months the company should subsidize renting a place, so n

Who sells everything instantly when moving to a new job? What if it won't work out? I think for a few months the company should subsidize renting a place, so new hires who move are not forced to liquidate everything back home. (Relocation packages are a thing after all.)