Impossible to say. You did not list any particular car.
At this time there is no major mechanical issues known with the console and any such defects would be covered under the manufacturers limited warranty if one was discovered upon purchase.
Yes but be careful, the dealership can come after you financially for any undisclosed problems.
If the used tractor has been serviced regularly and doesn't have any major mechanical problems then it should be just as effective as a new tractor as long as the service on it is kept up-to-date and the used tractor is well taken care of.
What past mechanical problems has the car had, has the car ever been in an accident, how many previous owners, why are they selling the car, what current problems does the car have, does is burn oil, does it use any other fluids excessively, what repairs have been done to the car.
HAS THIS TRAILBLAZER BEEN INVOLVED IN ANY MAJOR ACCIDENTS
No.
No. Modern Germany does not have any major dispute with any country.
No, my house has not been hit by lightning, causing any electrical problems.
no
Yes cocaine
There have been mechanical computers in the past, but they were rare. Today the odds are good that any computer you encounter is digital.
Nothing major, just weather related problems from snow and flooding in localised areas. Ireland generally does not have any significant natural disasters.