It doesn't really say that they are going to be the only thing on the rocket. Also note that it isn't putting them in permanent orbit so possibly that reduces

It doesn't really say that they are going to be the only thing on the rocket. Also note that it isn't putting them in permanent orbit so possibly that reduces the cost? This looks like the company providing the launch vehicle, http://www.interorbital.com/Neptune%20Page_1.htm http://www.interorbital.com/Neptune%20Page_1.htm