This is a story about economics . Economics is a story of people trying to get all the things they want. People are a part of an economy when they run a business or work at a job.
People are part of an economy when they decide how to spend and save their money.
You are a part of the economy when decide how to earn and spend your money. If so, you were facing the economic problem of scarcity . Scarcity is not being able to have everything we want. Economics is a story about scarcity. You probably discovered that you could not buy everything you wanted.