To dream of violence or a violent act is meant to remind you of anger that you have tried to hide from those around you. It is likely that your life lacks structure and discipline. A dream in which violence is prevalent may also indicate memories of child abuse that you have locked away.
To dream of sailing among calm, serene water indicates that your life has not been overcome with excessive trials and challenges. Pleasurable and satisfying experiences come to you without having to apply much effort.
To dream that you are selling something indicates that you are facing important transformations in your life and determining your attitudes are towards these transformations. You may be holding onto something that your tenacity refuses to dispose of.