Possible Clues:

• The longer it runs, the more you pay
• It's fed at curbside
• Rhythmic element
• It's fed at a curb
• Take it as read that if you cut the top off it will leave the tree in bits
• It may be fed next to a car
• Sounds as if one may encounter her at the tree at last
• Rhythmic pattern in poetry
• Take it as read that I came across 'er
• Come across the sound of 'er for reading