Given the fear of questy/preps getting out, having that in the app would probably just freak some people out. I think most people don't use the normal item stuff because it is so dated and crappy.

What I could do is have a tab dedicated to your own personal stuff that is only stored locally. Maybe three free text fields of what/where/what's it do that you can do whatever ya want with. Some people could keep track of preps, others could keep track of cigars, or whatever but it'd be your own.

But again, it's an area people might freak out over so I'm hesitant to do it just yet. Maybe down the line...I do see the use though of public/private lists.