You can know a fake and a scam exchange by going through the site and checking about it, many people must have commented either good or bad about the site, my advice is there are reputable exchange wallet like yobit, it is well known and trustworthy.
All you need is an internet connection, and you can make money & bitcoin. It is essential to get benefit. There are lots of campaigns today and you can find good camping likr BitcoinTalk forum. Do not use your earnings for important things and do not use your money for gambling as it will lead you to lose. Keep your earning.It is essential to get benefit.