Replace your doors for a small fee! I replaced my 1970's hollow doors with nice 6-piece doors from Lowe's for $50 each. I was so glad I didn't have to change the frame as it was oak. I've never done anything like this before. I bought a $99 battery powered Dewalt router and followed the instructions. Voila! 6 doors changed a day! Don't set it too low or the inside of the door will press against the frame.
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