I didn't include that kind of users, because I'm not travelling with them. Just like you I wouldn't trust them with the main spreadsheet, but surely you can giv

I didn't include that kind of users, because I'm not travelling with them. Just like you I wouldn't trust them with the main spreadsheet, but surely you can give them their own spreadsheet: they won't be participating in most decisions anyway, so it's not like you'll need to copy paste most of it