The ability to match your needs with El Segundo neighborhoods and properties, experience in negotiation of price closing details and experience in El Segundo real estate closing procedures.
Planning will also help by reducing your stress.
Your goal is to know your market inside and out so you can make decisions based on the changes in the market before anyone else even knows they are coming.
You know what the economy and market are like at the time of purchase, and you want to be able to sell under essentially the same conditions.