Most real estate schools have appraisal courses. This varies greatly with each state however, contact some of the local institutions in your area to learn more.
No, you don't need the address of the business to be in Nevada. A Nevada address is not part of the Articles of Incorporation. The State of Nevada is not asking about the address or place of business in the incorporation process.
Actually, this is not all as clear as the above would indicate. It is true that all traffic records are available nationwide. However, if you are a Nevada resident, you are subject to Nevada's laws on suspensions. Nevada will know your California rec...