My DM called me on very short notice to ride with me half a day and I had NOTHING planned. We were to meet for lunch first and then make calls. So, I took a cordless screwdriver with me and stopped at a fast food place a mile from our meeting place and put a hole in my tire. I drove to our pre-determined lunch spot and when we finished lunch I "noticed" my tire was flat. We spent the rest of the day waiting on fleet services to put the spare on and then get a new tire. It took the entire afternoon and my DM kept saying, "oh this happens...don't worry about it". 