[header] How to buy a used shipping container [title] Decide how long you need to use the container. [step] If you plan to use it for storage for a few months, you may want to consider renting a container. With this option, you will not be required to dispose of it or sell it when you are finished. 
[title] Evaluate whether a 20 foot (6.1 m) container or a 40 foot (12. 2 m) container length will suit your needs.