in my openion you should hold this btc of $100 USD and then sell it after its price up . in this way no need to any marketing risk like in trading .
Well , if you're not patient person . You can try trading for grow up your bitcoin , you don't need marketing knowledge as long as you join about trading discussion in this forum . It has good prediction about choosing right and profitable coin , so if you want to get huge amount you must also take the risk