how does openbazaar make money? How will the investors recover money and make profit?
At the moment, they're receiving donations [1], but it's entirely conceivable they're going for a similar business model to MySQL's original authors: selling support, consulting services, and training for their products.
[1] https://blockchain.info/address/3MXYUBLWNETa5HTewZp1xMTt7AW9...