You can globally turn on and off your wants on CardRocket. Head over to your account page and check the "Vacation Mode" checkbox at the bottom of the form. Your account page will be removed from the public viewing and all your wants will be removed as well.
Use this if you're going to be away from your email or the internet for a while and don't want your wants to be filled. When you get back, just come back to your account settings and uncheck vacation mode!