Hi, we are booking a trip to DL the first week of Oct. We are spending the first half of our vacation visiting relatives in San Luis Obispo, then traveling to DL. Now my relatives qualify for the southern Cal discounted tickets, but it is my understanding that they cannot purchase them for MY family (from out of state). Is this correct? I just read another thread that someone suggested the in laws buy them southern cal two-fer tickets. So can i use these discounted tickets if my family in CA purchases them or would i need to show a local id for entrance with those tickets??? Thank you!