Amazon Fulfilment (FBA) moves long-term storage fees to a monthly basis. Semi-annual February and August dates to go by the wayside. The sceptic Amazon Seller may say, ‘why are they changing long-term storage fees again, is it a way for them to make more money?’ We must look at the economics at what Amazon, as a business, would say about long-term storage.  Can you imagine how many more warehouses Amazon would need if FBA sellers just left inventory