If money is the main driver, look at the package they give you: that is pretty much what you get. And if you look at startups in general, most of the people end

If money is the main driver, look at the package they give you: that is pretty much what you get. And if you look at startups in general, most of the people end up with very little from their stock. Funders are in a slightly better position. If money is not the main driver, ask yourself: what would make this experience negative for you? How likely is to be worse than... (you need something to compare to) ? In lack of a more compelling alternatives, I do not see why this could not be a great learning experience for you.