Design your product or service and get it out to customers. Don’t be coy about it, tell people you just designed it and then let them critique it. They are not insulting you, if they are critical – they are helping you – you should be thankful.
Redesign your offer according to the critique, you will end up with an enhanced offering and hopefully with your first customers, your former critics. They may not only be your first customers, but also your first product evangelists. Remember they are now emotional stakeholders in your product, since you incorporated their ideas.
Scale – focus on customer care and satisfaction to grow a healthy business!