"What if" doesn't happen very often so I don't count on them. About 20 years ago we were on our way to FL with my wifes F150 and the engine just locked up (170??? miles. I called work and told them to come get the truck and asked a friend to come get the TT, maybe only about 75 miles from home. We put the dog and our clothes in the car and went to FL. The truck spun a hearing and I told work to put a short block in it while we were gone. We had a good time even without the TT. Don't worry about stuff you can't change.
