At the very most, the templates should cost a second person $50. (I paid a bit more for the initial setup.)
Two things could make the templates quite a bit less expensive:
(a) Reduce the laser time: I asked for both the templates and the surrounding square frames. I also asked to have the model name written on the parts. In retrospect, neither of those are required, and omitting both should reduce the time (and cost) considerably.
(b) Group buy: it costs less if he can set up once and cut multiple templates at the same time.