When a building needs to be constructed the main feature that involves all the price and the rates to go up is the material that is being used for the construction of the building, in the case of commercial steel buildings the material is of course steel.
Steel as compared to the other concrete materials that are used for the construction of buildings is actually quite a well priced material to use for the construction of a commercial building and it actually works out to much cheaper because of the durability of the material.
The very fact that it is less priced than most other concrete building material clubbed with the fact that it is resistant to weathering to a large extent, reduces the actual cost of the commercial steel buildings construction by a good measure.
Not only that, the amount of money that you would have been spending on any other building on its maintenance and up keep, nothing of that is necessary for the maintenance of the steel building so you are saving that huge chunk of money there.
On top of all that, add the big price that you would be getting once this steel building is no longer in use and you can actually sell of the steel for other purposes because steel is completely recyclable.
Compared to the investment that you will be making on the building the profits will be much more when they are all calculated together because of the building's very material and its functionality.