The individual who files Form I864 is making an enforceable promise toprovide for the basic needs of the immigrant or immigrants for whom that I864is being filed. While your fatheru2019s claim that it could cause him to u201closeeverything he hasu201d is arguably hyperbolic the amount of money that could bedemanded of a sponsor is substantial typically between 10000 and 20000per person sponsored a year potentially for the entire life of the immigrant.It is not a small thing to make this sort of commitment.The sponsor is making an enforceable commitment to provide for the basic needsof the immigrant until the immigrant naturalizes earns 40 credits towardSocial Security 10 years of employment leaves the US or dies. If one isnot prepared to do that one should not sign Form I864.