Nope, its one or the other. You might want to do the math and see if it is worth it or not. In my state it costs $48 to be a member for a year. I was able to get 27 a night off my reservation in October for a savings of 189 for the 7 nights we will be there. I was also able to get 16 a night off my trip in November and that will be a savings of 64 for 4 nights. So far I am saving 253. So it has definatly paid for itself and then some.
Not to mention all the other perks, like road side service and discounts at other hotels and other non disney travel discounts.