CPO Certification Guide: What It Is and Why It’s Valuable

Man cleaning the swimming pool

Did you know that, according to Comfy Living, swimming is, in the US the fifth-most popular activity? Additionally, the swimming pool industry’s annual revenue is $1.1 billion, and 17.12% of Americans who are between 18 and 29 years old one a spa, pool, or hot tub. Considering how popular swimming and swimming-related activities are, and how much money there is … Read More