Answer:
Soft, hairy, from door to door. I am the pet that always stays on the floor. What am I?
I plow and plow, but never sow. What am I?
Tuesday, Sam and Peter went to a restaurant. After eating lunch, they paid the bill. Sam and Peter did not pay. Who did?
What language does a billboard speak?
Curtail me thrice I am a youth; behead me once a snake; complete I'm often used in truth when certain steps you'd take.
No matter how little or how much you use me, you change me every month.