If you are a general handyman and can work with either timber or weld steel then you could save money by building your own gates or Garage door on your patio to give you more security.
Many insurance companies now require you to have your vehicles kept behind locked doors on your property. Therefore by adding doors to your car port your vehicle will be more secure.
Yes you can pay someone to add a flash roller door in an assortment of designs. Although it will cost you much more out of your income.
You can save more money by building a garage or shed door yourself. By doing it in your own time you will not be paying out a trade persons exorbitant rates.
After reading this article, if you need to add shelves in your shed then this article will lead you to another helpful article on adding shelving.