Let the professionals deal with it. A fire doubles in size every thirty seconds. That means, a fire the size of a living room will have enveloped another room by the time you are done reading this paragraph. The deadly gases given off by a fire all rise and thick smoke will quickly fill a room, often times cutting off your escape route. That's why it is important to have more than one pre-planned escape route.
Fire is unpredictable and can travel very quickly.
This also extends to when you are visiting friends or relatives, away for a weekend or on vacation. Take a few minutes to study evacuation plans provided by the hotel and familiarize yourself and your family with an action plan. The small amount of time you spend on practicing could mean the difference between life and death. And, make sure you have smoke detectors installed in your home and test them regularly. Ensure you change the batteries regularly and test them often.