RHYMING RIDDLE

My first is in creator, but not in later
My second in tour, but not in sure.
My third is in small, but not in crawl,
My fourth in tomb, but not in loom.

Solution 1:
My whole has teeth, dark or light,
But in either case, they have no bite.

Solution 2:
My whole may be too much you say,
But in either case, it's the price you pay.

Answers:

Solution 1: COMB
Solution 2: COST