According to NAR, more than a quarter of first-time home buyers used a gift (from a friend or relative) as their down payment last year. That’s fine and dandy, but, this being America and all, there are rules that must be followed.
For example, buyers probably need to come up with at least some of the down payment themselves. And they should document the gift — have a letter explaining that it’s not a loan.
Read more on Realtor.org. (Note: The article mentions that it comes from Newsday, but I couldn’t find the original. So the source is currently unknown.)