What's this agent's angle?

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I met a real estate agent last week when I was out doing my "home work", looking at houses in my area.

I gave him my standard spiel: I'm an investor interested in undervalued properties, I pay cash and close quickly. We exchanged cards.

He called me today and said that he has a line on 10 short sales and is looking for an investor to submit low bids. He told me that he has an idea of what the bank will take for the houses and is going to send me details via e-mail.

Noob question: Why is he calling me if he has properties that can be bought cheap? Is there an angle he's working? Is he using me to make someone else's offer look good/better/more reasonable?

Any advice on how to proceed?