One of the big secrets to making money online is the theory of relentless duplication. 

Once you figure out how to make $10 a day, just repeat the process with 100 different sites to boost your income.  Keep doing what works and forget about all the other junk you see online every day.  Once you have proven, personal success with a method keep moving forward with that method until it stops working.  Squeeze it for all it's worth - ignore everything else.