THREE RIDDLES

1. Why is it helpful to have a super-model around if you have to fix a flat?
2. Where can you work and get paid for lying down on the job?
3. Why is North America like a ham sandwich?

Answers:

1. She's used to changing attire. 
2. A mattress factory
3. nortH AMerica

Credit #3:
Peter A. Collins
NY Times Crossword
January 9. 2018
MEET IN THE MIDDLE