Used shipping containers are a great option if you want to save money on your project. They are way less expensive than brand new units but can be just as sturdy and stable enough to meet your specifications. Take note, however, that not all used shipping containers are in the same shape. Some may be more seaworthy than others, which is why you need to thoroughly inspect each unit you plan to purchase. Here’s a list of the common things you need to check during inspection.