If your weapon is truly concealed, no one will know that you are carrying unless there is a critical situation that requires you to pull, at which point I would think everyone would be grateful except possibly the offender. I don't think much about it and I don't check every door I pass through to check for signs prohibiting firearms. I used to be more self conscience about CCW, but I am comfortable with it now. I don't worry about printing because I pretty much dress around my weapon.
It seems like a lot of the places that have the "no firearms" signs, are the places that I would think would welcome a person with a legally concealed weapon, such as banks and such.
Peace,
gordon

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better have that checked