A better question would be how long it takes to become a dive instructor good enough to earn a living as a scuba diving professional.
Announcing The First 'State of The Industry' (SOTI) Study for The Dive Industry, by Darcy Kieran (Scuba Diving), Scubanomics
It's The Data, Silly: A Lookback at 2023 and a Peek at 2024 for Scuba Diving Market Surveys & Studies - InDEPTH
Open Water Scuba Diving Certification Numbers for The 2nd Quarter of 2022 - The Scuba News
Divers for the Environment March 2023 by Divers for the Environment - Issuu
Getting Your Feet Wet, Advances in Archaeological Practice
Dive In: The Podcast • A podcast on Spotify for Podcasters
SDI - Scuba Diving International
100th Episode Special The Life Aquatic with Steve Zissou Commentary Track by Dive In: The Podcast
Scuba Diver Press
Your Career and/or Life as a Scuba Diving Instructor: How to make a good living out of your passion for diving. (Scuba Diving & Snorkeling for Scuba Instructors & Dive Industry
SDI - Scuba Diving International
Scuba Diver Press