Don't worry you haven't GPU's setup or enough investment to create your mining setup. I have an idea to mine profitable coin on your CPU which will give you at least $ 0.25/day. A platform name as Winminer is providing such a opportunity to mine the profitable coin on your laptop or PC. It is a system friendly platform and not bother you while using your system on daily routine. You can use the earning in trading exchange market like bittrex to buy the coins and trade market.