I'm going on a trip and will be taking my ipad mini with me. I have it set so that you need to enter a password to get in and I added Find iPhone to it.
Is there anything else I should do?
Obviously, I will keep it out of sight when it's not being used.
Good moves you've made so far. If you are staying at a hotel and plan to leave your mini in the room, stick a "do not disturb" sign on the door so the hotel staff stays out of the room. Unless the room contains a lockable safe.
My only other suggestion is to always keep its location in mind. By that, I mean if you use it at a restaurant or other public place, don't forget it. I did precisely that right after I got my iPad a couple of years ago. I carry mine in a protective sling bag while traveling. We had dinner at a Thai restaurant in Chicago and I left the sling bag on the seat.
I was very lucky, as our wonderful server came running out after us with the bag containing my iPad. I could only thank her profusely - and mentally kicked myself for being so dumb.
Have a great time!
