The answer to 'DIY dryer vent cleaning' is that it is generally safe and recommended to clean your dryer vent yourself every 1-2 years. Regularly cleaning the vent helps prevent fire hazards, improve drying efficiency, and extend the life of your dryer. However, there are some safety precautions to take and situations when calling a professional is advised.
To clean the vent yourself, first unplug the dryer and pull it out from the wall. Use a dryer vent brush or plumber's snake to loosen and remove any lint buildup inside the vent. Vacuum up any loose lint, then use a vent cleaning rod with an attached camera to inspect the full length of the vent and ensure it's clear. Finally, reattach the vent and push the dryer back into place. Be sure to check for any kinks or damage to the vent during the process.