Spare Tire....How many of you carry one?

We've found that we cannot always get cellular reception to call ERS on certain highways out West ... and off-highway where we sometimes travel (if ERS would even venture onto gravel or dirt roads if we could phone them).

However, our Class C is small enough that I COULD unmount our 16 inch spare from it's storage position and replace a bad running tire if we had to out in the middle of nowhere.