The door needs to be dealt with for a faster sale , a replacement door would solve the problems.
Possible a door can be had for cheap from a backyard beater / parts car.
If you are done with putting money in the car you could remove the door panel to inspect the lock linkage for binding , and unbind it if need be.
I also wonder if its the lock itself. I have had both locks seize on my beetle.
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Save gas
Ride a Mtn bike for errands exercise entertainment and outright fun
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