Converting what you already own into cash is often the fastest route to "lots" of money without starting a new business: 10 Easy Ways to Make Extra Cash in an Hour or Less - AARP

Leveraging specialized skills like programming, marketing, or business consulting can net a median of $28/hour or more.

Apps like TaskRabbit or Thumbtack allow you to earn money for furniture assembly, mounting TVs, or waiting in line for others.

Explicitly defining exactly what you want and focusing on it with intense will.