I suppose top cash in cmc are always exceptional. Eth, ltc, neo, xmr, waves and xlm are don't forget as properly cash. these are noticeably safe investments. Do your studies first before buy any element
Few of the mentioned coins are good ones and with this present market where they have dropped like a huge amount it is easily available in few dollars now. Better to accumulate now and keep on adding so that you can make good profits from it.