What is an Affidavit of Support (Form I-864), and…

What is an Affidavit of Support (Form I-864)?  Do you need one to immigrate to the U.S.?  Who can act as a financial sponsor for Form I-864?  What are the income requirements to act as a financial sponsor?  These questions and more will be discussed in part one of this article.  Part two, which will discuss the use of assets, joint sponsors, and more, will be posted shortly.