Depending on what you want to have developed, they just might need that much guidance, otherwise the end result will be a surprise for you :) When looking for

Depending on what you want to have developed, they just might need that much guidance, otherwise the end result will be a surprise for you :) When looking for a freelancer consider people who have done things that you personally like and think would be a good fit for you too. E.g. contact the developer of a website you like or the contributor to an open source project which is well-respected.