How long is too long to keep a TB? I usually only get to cache on weekends, but I don't always get to go out every weekend. So if I pick up a TB on Saturday, and don't get out to place it until two Saturdays later, is that too long to hold onto it? I've been wondering about it because I've got one now that I've had for a week and a half already, and won't get to place it until Friday. Thanks for any input.