How bad does this look?

wow! leaks when raining? maybe the huge hole in the roof by the drip rail for a starter. as a rule of thumb on a car like this, take what rust you see and multiply that by5! as it whats hiding. like he said, if its safe, drive it, later you will find a much better body for a basis to transfer good mechanical parts to. around here its a parts car. few hundred $$.