Purchasing whisky casks doesn’t mean that you need to find room to securely store your cask. Indeed, part of the process is that casks must be stored in duty-suspended bonded warehouses. These are large storage warehouses that have the added benefit that while they are stored there, you won’t pay excise and duty on them; this charge comes when you wish to bottle the cask. This means that if you aren’t looking to bottle your whisky (which is common as most cask investors look to sell them on for a profit to other investors) you won’t need to pay the excise and duty at all.