> Estimate the valuation of the company Good luck with that. Also, you need to factor in that the probabilities of the start up becoming significant (IPO / be

> Estimate the valuation of the company Good luck with that. Also, you need to factor in that the probabilities of the start up becoming significant (IPO / become profitable / survives) are probably way below 1%. At the end of the day, you don't go to a start up for the money but for the experience. Any other intention is guaranteed to not work out.