Money is neutral. It is neither good nor bad. Money always takes the colour of the one who possess it. Money earned through pushing drugs is called as drug money. Money earned through illegal means which cannot be disclosed is called black money.
The estimated illegal drug trade is nearly equal to 1% of total global trade. Consumption of illegal drugs is widespread globally. This money in the hands of a unrighteous men and rogue nations is used for anti-social projects and terrorism.
Many good things happen in this world because the money is in the hands of righteous men. The righteous should have the control of money and power. If you are a follower of the Truth then you should also know how to earn money and build your income that you can be a nation builder. You can be a blessing to many.