Many new (and not so new) boaters want to appear competent on the water. I thought some of the novice boaters might have an interest in learning from others' mistakes.

Here's 10 ways NOT to demonstrate your boating brilliance:

1. Leaving your boat fenders hanging over the gunwale at full sprint
2. Tossing a line to a helper on the dock but the line’s too short and doesn’t make it, (and neither does your boat)
3. "Weaving” 30 ft in either direction...