My point is why do they make millions, for playing a sport? I've never had that explained to me.
Because their services are in high demand. Because millions of people are willing to watch them on TV and/or pay for tickets to their games. Therefore, corporations are willing to shell out millions to support the industry so they can get their products out to a receptive audience. And the industry takes some of that money and uses it to pay for quality entertainers who can keep fans interested in the game, thus keeping the revenue flowing in.
It's less like one person paying millions to a sports team; it more like a million people each paying one dollar to watch. So, it all adds up. Pro sports is a business, like any other part of the entertainment industry. Same like movies. A person may pay ten dollars for a night out with friends, but if millions of people also follow suit, that's how the industry profits. And that's why celebrity salaries are so large.
It is an assumption, and only because a higher education is generally related to a higher paying job.
Many retail and industrial jobs don't require degrees, the same with some white collar clerical jobs. You can advance from the ground up, but you also have to consider what type of industry you are working for. Scientific industries for sure will c*ckblock you for anything that requires college level understanding of science, including most technician positions and any R&D positions (anything apart from material transportation, packaging, sorting, and warehousing).
My experience is primarily with the technology sector. I've seen people try to move up to a higher paying position, only to be blocked because they either don't have a degree, or they don't have the right kind of degree. A sorting technician at a medical lab cannot promote to a diagnostic lab assistant without a four year degree in either biology or chemistry. A library page very rarely can promote to a reference library without a master's in library science. Computer companies don't hire self-taught programmers either. Also, having the right type of degree matters. An education degree doesn't help you get a position as a technician in a biotech company.
To get a job in sales, a lot of companies are now looking for people with a bachelor's in finance. For some jobs, like accounting and nursing, you have the option of getting an associate's or a bachelor's. But your pay will vary depending on both the level of your degree and your experience. Starting out with an associates, you have a lower level degree with no experience, you will get outcompeted by people with bachelors and no experience. To make it to their level, you have to catch up, and that takes time as you earn more experience.
I don't know the laws in your state. The following may or may not apply. But any job in the medical field that involves direct patient handling requires licensing. A lot of non-medical government jobs also require licensing. If you want to open a day care, you need a license. If you want to open a business, you need a license. If your business serves or sells alcohol, you need a license. If you sell insurance, you need a license.
To get a license, you have to go through an accredited education program and pass a board exam. It's not the same as a four year college, and it's cheaper, but it gives you a piece of paper that allows you to do that type of work in your state, city or county.
I haven't talked about agricultural jobs because there aren't many available in my area, and there's a lot of competition with newly arrived immigrants in that sector. But agricultural science is a four year degree program too.
So, yeah, there are options for you if you can't get an education, but if you have the means to get an education, I'm not sure why you wouldn't. It may take you ten years to promote to supervisor without a degree, and if that's your only option, then, yeah, that's your only option. But if you can get a degree, your starting point will be higher (though if you take out loans, your starting point will actually be in the negatives).
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