What is actually going on?

Jamie Foxx is saying that the girl only wants to be with the man for his money and she is using him.

Kanye starts the verse with talking about her physical features in a demeaning way. He then proceeds to talk about how she has four kids and he will have to be responsible for making them famous. He explains how he has to pay for the kids and all their friends. West is saying that if you want to be with this girl you have to have money. Lastly, talks about all the rumors he has heard with other men.