One of the most troublesome grounds of inadmissibility, creating a bar to immigrant and in some cases temporary visa holders entering the United States, is that known as "public charge." It basically means someone whose financial situation is on the margin, such that the person has had to, or might one day have to, rely on some form of government assistance. A similar problem is created for some people already in the U.S., who can become deportable for having become public charges. Learn more about dealing with and hopefully overcoming the public charge grounds of inadmissibility and deportability here.
Who May Be Found Inadmissible and Denied a Green Card for Income Reasons, as a Likely Public Charge
One of the most common barriers to getting a green card is what's called "inadmissibility," and public charge is one of the grounds for this.
If You've Received Public Benefits, Leaving U.S. Risks Being Refused Reentry
Though green card holders are eligible for some public benefits, that doesn’t make receiving them risk-free.