No, if properly repaired it is just as safe as new.
Yes. Go to a body shop that has a frame straightener.
Yes can be fixed.
Repairs and replacement of the top are normally done with the frame on the car.
yes if the structural integrity is compromised like the frame being rusted out as an example
Yes, it could may mean the car is not safe to drive, have it checked/repaired by a good garage.
You will have to specify an area to have your car repaired at honestly. I have no clue where you live or where the nearest shop to have your car repaired exists at.
A auto body repair shop with a frame machine can repair the frame.
Depends on whether a frame shop can straighten it.
A RUSTY METAL FRAME WILL HAVE NO EFFECT AT ALL ON your garden produce
because of weathering
If it is able to be repaired "fish plate"Put one piece of steel on either side of rotted section and weld the entire package