In CA specifically if you accept a better job and quit, then later this other job never materializes that is good cause and you would qualify for unemployment.

In CA specifically if you accept a better job and quit, then later this other job never materializes that is good cause and you would qualify for unemployment. Per https://www.edd.ca.gov/uibdg/Voluntary_Quit_VQ_5.htm https://www.edd.ca.gov/uibdg/Voluntary_Quit_VQ_5.htm on whether a voluntary quit qualifies for unemployment >[T]he quitting must be for such a cause as would reasonably motivate in a similar situation the average able-bodied and qualified worker to give up his or her employment with its certain wage rewards in order to enter the ranks of the . . . unemployed.