Awful day on the road

Awoke early today. Time zone changed yesterday and we weren't aware of it. Thought we were getting up at 6:30 am; Had a tire blow out, left inside rear. We don't carry a spare due to weight and space. The long and short of it all, we limped along to an area just outside of Little Rock where there were several truck stops and tire shops. No new tires of the size needed were available. One of the shops found a lightly used tire of the correct size for only $100 installed. Of course, we naively jumped at the opportunity for such savings. New used tire mounted, we forged ahead. If only I had known .............