You gotta be careful with your words. No need to tell this dude's boss, who bamboozled himself with his own admission! Companies love to brag about their great vacation time packages while they're hiring you. A popular perk is “unlimited vacation time ,” but it's not as great as it seems. If you ask to take off three months for no reason, your boss still has to approve it, and they can easily just say no to your request. So unlimited vacation time has a huge asterisk next to it: unlimited so lo…