When and how is the Premium plan charged? I want to try out Publitio's full capacity, is there a free trial for the Premium plan? I bought a lifetime deal, do I lose my capacity if I don't transfer to a Premium plan? What is a Premium plan and what are it's advantages? Do you offer custom plans for enterprise clients? How to calculate additional monthly price for storage and bandwidth? How do I know how much storage and bandwidth I've spent? What do I get with a Free plan? Are future features included into the Premium plan? Refund