 So the worst thing that the circus can do is forget to charge it, right? How about a bad joke? You ready? How do you kill a circus? How do you kill a circus? Anyone? Anyone? Go for the juggler. Oh, yeah, that was great. All right. Still to come, we have some great tips. Oh, my gosh. How to opt out of unsolicited credit cards. Is the Wi-Fi safe on airplanes? And also we've got some ways to catch creepy Airbnb hosts. And, of course, we have all of your great phone calls.