We just got back from WDW and we had a party of 9 with us. My step-dad paid for everything and he wanted the premium VIP tour guide because he doesn't like waiting in lines 
We only had 2 park days planned. Well, we got one the first day at the park and it was so worth it that we ended up booking him for the next day as well. It is a LOT of money, but for us, it was definitely worth it.

We only had 2 park days planned. Well, we got one the first day at the park and it was so worth it that we ended up booking him for the next day as well. It is a LOT of money, but for us, it was definitely worth it.