It is best at the moment to buy tokens through IEO and through IEO which are conducted on the most popular exchanges and then you will be constantly in profit and you will not lose anything, just as if you want to invest in any company that conduct ICO, then it is better of course wait for the moment when this company will list its token on some exchanges and then you can buy tokens at least in several times cheaper, I always doing in this way and always making profit.