1. Earning from signature campaign. and then use that as capital to use in trading right
2. If you earn much more money in trading you can hold that then save in to banks or you can just simple invest it again earning money again while trading.
3. gambling easiest to lose and win bitcoins.
Its better to put the earnings from signature campaign in trading instead of saving in banks as in banks your money will never grow with the same pace that can be grown in trading.