It'll cost $5-$10k to move a modest household to a different state. That alone is an massive barrier for a lot of working class people/families. But you're also

It'll cost $5-$10k to move a modest household to a different state. That alone is an massive barrier for a lot of working class people/families. But you're also right that they may lose access to friends and family, which might include free childcare, rides to school, etc.