Make sure you have the required knowledge about trading before starting. This field involve high risks and without good knowledge you risk losing your hard earned money. Start learning first how to study the market, and how to choose the most profitable crypto currencies, then you can start trading with small amount.
This is the very basic but always been forgotten by most newbies, they tend to proceed even they don't have enough knowledge about the business, in order to gain you must find first your advantage, learning the basic isn't enough you needed to be more careful and patient to learn those important matters to earn from this big industry.