Q: What are Cron Jobs?
A: This automated scheduler able to run a specific script/s at a predefined time frequency – minimum each 5 minutes, maximum each day.

Q: What is the best way to run PHP scripts using Cron Jobs from CPanel
A: Use the php -q /home/(username)/public_html/(filename example cron.php). Note that if you use lynx http://www.(domain).com/(script) will NOT run properly!

Q: What is the minimum time occurrence I can use?
A: We recommend one each hour to be the most frequent especially for longer processes. We had clients run processed more often but they sometimes overlap and overload the server.