Personally, I've never considered the Memory Maker option on my solo trips, but now I have an AP for the first time and will be there solo in December for the holiday decorations. I'm interested in seeing how much I'll actually use it. It's been my experience before though that if I wanted a pic of myself with a particular background or character, that people are more than willing to oblige. I know I've taken many pics for others--a great way to talk to people when you're on your own. If I were you, I'd ask others rather than pay--but just my humble opinion. I'm usually not that outgoing, but people at Disney, including cast members by the way (they are very willing to help you out) are very friendly--that's part of the reason I like going even on my own. Have a great time at the World!