Answer:
Something we eat, and misspell as meet.
What is it that leaps and runs and yet, has no feet?
Its days are numbered.
Small, containing light, You'll need it in the dark, It will provide that spark, and shine into the night. Will light up any pyre, 'Cause it can help make a fire.
I am not alive, though I never die, to no one I've ever told a lie, today I can be god's warrior, and serve him with no horror, but tomorrow I might be devil's knight, for I am what ends the light.
I am free the first time and second time but the third time is going to cost you money.