Learning about how to build your house is actually quite easy providing that you have the time to attend courses and learn the ins and outs of building houses. It also depends on whether you plan to do a lot of work yourself or have all of the work completed by professionals under the management of a general contractor. Many consumers will hire an architect to design their home and a general contractor to do most of the construction. They will then complete much of the finishing work themselves to save a great deal of money.
One of the other advantages of learning how to build your own house is that the experience you gain on your first home can be used over and over again. Each time you build a home, there will be less missteps and delays which of course cost money. Many consumers will build several homes over their lifetime in this manner and a few will go on to become large builders as a result.
In summary start with the basics, take one of the local college courses that are available, attend training classes at many of the home improvement stores, talk to people who are in the business and learn as much as you can about how to build houses every time you build your own house.