It all depends on your area and situation. If you are renting or your zoneing laws wont allow you to put up a shed, then this is a great option. Also, if funds are an issue, making small monthly payments to a place like this is sometimes the best choice. Also, many companies that rent these units also offer insurance for the contents, for an added fee
.Personally I would rather buy than rent, always. In the long run it will generally save money. So what is your situation, what is your long run? You might be better off buying something. Also, how big is your big....Will it fit in one room, one closet, two closets, a chest? Below is a link to some smaller storage options....
http://www.globalindustrial.com/g/o...heds/outdoor/rubbermaid-outdoor-plastic-sheds
These units do not survive extremes very well, but they are easy to put together, and collapsible when done. In a high theft area, I would not recommend these, they are easy to break into and in some cases pick up and carry off!
Edit: lol, just found you in Canada, nix the above. Extreme cold makes the product I mentioned brittle and not a good idea.