Hi YellowIron,
Advice comes from the point of view of the person giving it. That said, it is in MY best interest that you hold onto all your shares.
The truth is that you need to make your own decisions based upon the circumstances you are in. If the $30K you are thinking about selling is your initial investment and you are taking your money off the table, and the remainder is other people's money that you wish to let ride then you are a wise and prudent investor in the speculative field. The long and short of it is that this is not a game for the faint on heart. Everyone is best served by making investment decisions that allow them to sleep nights. Think only about yourself. The risk you wish to take. The money you can or cannot afford to loose. And what you can live with on the upside.
If it feels right to you, it is right. No matter what anyone else has to say.
Good luck