Answer:
Often wandering the streets, this group of people cannot afford to be choosers.
What can be measured but has no length, width or height?
What starts with the letter T, is filled with T and ends in T?
Even if you throw it away, it still comes back.
Inside a burning house, this thing is best to make. And best to make it quickly, before the fire's too much to take.
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?