This is a fallacy of people who align physical labor with the concept of work. The people who do the most work make the most money. Possible exception: People who inherit or win money. They can do little to almost no work and make money by paying others to make them money. However, if they do not pay attention to the people they hire they are at risk of losing everything. So, these people learn to monitor and supervise the people they hire. See first sentence.
By jobs
Most probably to make money and/or provide entertain to children.
The least liquid asset that most people have is their house.
In Marland, Oklahoma with a population of aprox 250, most get a job to make money.
farming and industry
Babysit for rich people.
buy working, or at least that's how it happens in most places
Yes. Most people make their money in ways other than poaching.
In early modern times most people made their money off of agriculture or working in factories
Yes, many people in the United States make hamburgers.
A place where people are willing for buying cds.
The amount of money they make will depend upon the type of job they have and where they work at. Most of them will make at least $30,000 per year.