How to become a Millionaire

You can sell something to some one with $ 1.000.000 in profit
or
You can sell something to 100 people with $ 10.000 in profit
or
You can sell something to 10.000 people with $ 100 in profit
or
You can sell many things to one million people with $ 1 in profit
or
You can sell many things to some one with $ 100.000 in profit, ten time
or
You can sell something to 100 people with $ 1000 in profit, ten times
or
You can sell something to 10.000 people with $ 10 in profit, ten times
or
You can sell something to one million people with $ 0.1 in profit, ten times
or
You can sell many things to 1000 people with $ 100 in profit, hundred times
or
You can sell something to 100.000 people with $ 0.1 in profit, hundred times