The endless quest for more distance will continue to plague golfers of all abilities if they train improperly. The most common fault is the YouTube, magazine article, or quick tip from their buddies on how to circumvent the real issue.
The 1st Step to adding distance is getting the body more flexible to prevent injury.
The 2nd Step is improving your mobility, range of motion, strength, and overall speed.
The 3rd Step is technique based training using your new spring loaded body.