If you are looking for an inexpensive and durable edifice that can serve as almost anything, from an airplane hangar to a backyard shed, metal buildings are indeed hard to beat on those counts. However, it should be noted that you should think through what exactly it is that you are looking for from any metal buildings you buy in order to make sure that your investment is worth the time and trouble in the end.
To begin, ask yourself what your metal buildings of choice are going to be used for, and exactly how large these metal buildings need to be, at a minimum. Make sure that you take the height of these metal buildings into account, as well as the square footage inside, in order to ensure that the building you choose is indeed what you want. When you have gathered your measurements together, determine where you would like to place your metal buildings once the materials and builders arrive. This might require a trip down to your local zoning or codes department to ask for variances or permits to break ground, and there may be some rules and regulations that you need to take into account so as to ensure that your metal buildings comply with all legal statutes.
Once you have gotten the bureaucratic paperwork squared away, start searching the web for manufacturers and providers of metal buildings in general. Take a look at what types of metal buildings are offered by each viable and reputable manufacturer that you can find, and purchase the best metal buildings for your particular needs and price range that you can find. Place your order as soon as possible, and hopefully your metal buildings of choice turn out to be everything you wanted and more once they are up and ready to go!