How much will it cost you to get the storage units in Farmville? What do you need to consider to determine the ideal cost of these storage devices? There are different reasons why the costs will often vary from one company to the other. First of all, different companies will charge you different rates for their storage units. This is because they have different business models. Therefore, you do not have to worry about anything when you are looking for help with storage but consider their unique pricing models.