Should I hold on to a line while descending/ascending?

Let's see what to do, depending on the kind of line and

situation.

Is the Advanced Adventurer course just about going deeper?

Let's dive into the basics of the Advanced Open Water Diver.

What is optional and what is mandatory.

Why use double tanks?

Let's talk about safety.
About having more gas.
About going deeper.
About staying longer.
 

Is the DM course for me?

Logical extension of your diving education?

What is the big difference to AOWD and Stress ans Rescue?

To tech or not to tech?

Answers to a great question.

There are various paths after the Advanced course.

To log or not to log? 

What's the use of a dive log?

Sentimental recorded history?

Proof of experience or reference book.