CF has a free plan and paid plans. There's a fuzzy line in between. I would like to know when I would be transitioned to a paid plan. They have an internal met

CF has a free plan and paid plans. There's a fuzzy line in between. I would like to know when I would be transitioned to a paid plan. They have an internal metric - I just wish it was public. How can I make a business decision on cost without this?