For most businesses word of mouth advertising is a bonus. If you do not know how many referrals you will be getting this month then this is a bonus. You need to have a system. The book E-Myth says the businesses that use a marketing system 95% of them succeed.

The same is true with your word of mouth advertising. You need to have a system in place to get referrals and you need to know how many referrals you will be getting.

See video YouTube - Small Business Marketing word of mouth advertising