What was Edward's rationale for the family staying in California instead of moving to Philadelphia?

After five years of living in California, Kelly and Edward thought seriously about moving to Philadelphia. There would be many benefits living close to her parents. Edward interviewed with a venture capital firm in Philadelphia but did not get the job. Although Kelly still pushed a move, Edward decided that if he wanted another job it would be best to get stay in California rather than in Philadelphia. Kelly was disappointed but listened when Edward said that her family's future was there in California with him and Georgia.