There are basically four ways to earn money:
1. Sell what you know, known as consulting
2. Sell what you have made, known as manufacturing or production
3. Hire out to do what you can do well, called the service industry
4. Hire out to someone else to do what they want done, known as a job.
It is the nature of life to collect resources to use to support and sustain one’s own life. The inability to do this is one thing that keeps the homeless disabled. The homeless are currently being used to justify government programs, but there are ways to make them more independent.
Conventional wisdom from National Coalition for the Homeless
Technology from India