While this is advantageous, it is not always practical. If you are unsure of your ability to do so, then back up and learn what it will take to provide the service. Don't make the mistake of soliciting customers before you are ready. That's where confidence comes in to play. Confidence - An entrepreneur's confidence level should be directly related to his competence.
Confidence is termed as assurance.
Assurance of your ability to provide your products and services is a must. Confidence is not always a trait easily found, but you must be able to project confidence to your customers. Your customers will be wary of dealing with you if you are seem to be unsure of what you are doing. The more you know and understand your business and your customers needs, the easier it is for you to show confidence. But you should be careful.