The answer to 'DIY dryer vent cleaning' is that it is generally safe and recommended to clean your dryer vent on your own, but there are some important safety precautions to take. Regularly cleaning your dryer vent helps prevent fire hazards and improves the efficiency of your dryer.
To clean your dryer vent, start by unplugging your dryer and pulling it away from the wall. Use a flexible vent brush or a vacuum hose attachment to thoroughly clean the interior of the vent from the outside. Be sure to also clean the vent opening on the outside of your home. Dispose of any lint or debris properly. If you encounter any blockages or damage to the vent, it's best to call in a professional for further inspection and repair.