You're validating the problem, not the value or the target market. You need all 3, but it's easier to identify problems, then validate whether the defined targ

You're validating the problem, not the value or the target market. You need all 3, but it's easier to identify problems, then validate whether the defined target would be interested at a given price point. The freelancer sites are just a starting point, they answer the question of, "what are some things business owners want".