This list, compiled by Business Insider, contains only 15 courses, but there are thousands more you can buy on heavy Black Friday discount from Udemy until 25 November.

Prices started at USD 10 and will increase by USD 1 every other day at midnight through Black Friday, when they will reach USD 15.

Check out also PrepAdviser’s MOOC selection of free online business education courses, with a new proposal every week.

"An Entire MBA in One Course"

A former Goldman Sachs employee has taken the lessons he has taught at universities in the past and condensed them into one course that he describes as "an entire MBA."

Students will learn about macro and micro economics, how to value companies, and the basics of how investment banks and management consulting firms work. In addition to the nuts and bolts, instructor Chris Haroun aims to teach his students about the importance of personal connections and professional presentation — how to identify and pitch to venture capitalists and communicate your ideas clearly and concisely.

Price: $13 $200 [95% off]

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"Career Hacking: CV/Resume, LinkedIn, Interviewing, and More"

It's very difficult to land a lucrative job or climb the corporate ladder without networking efficiently, building a strong resume and cover letter, and understanding the intricacies of the interview process. This course covers everything from preparing for the interview, to writing a keyword-rich and targeted CV, to even mastering the art of small talk.

Price: $13 $75 [87% off]

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"Building a Personal Brand by Gary Vaynerchuk"

In many industries, creating a strong personal brand to showcase on social media is integral to catapulting your career forward. Instructor Gary Vaynerchuk is a three-time New York Times best-selling author and has his own media company, so you can bet his course is full of sage advice.

Price: $13 $100 [90% off]

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"Writing With Flair: How to Become An Exceptional Writer"

Writing is an essential skill regardless of your industry. Whether you are an aspiring editor or simply want to add a little more polish to the emails you send out every day, this course will teach you the tips and tricks used by professional writers to keep their work clear and concise.

Price: $13 $175 [94% off]

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"Mini Habit Mastery: The Scientific Way to Change Your Habits"

This course is designed to teach you how to replace your bad habits with healthier ones through cutting-edge neuroscience as well as some tried-and-tested techniques.

Price: $13 $150 [93% off]

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"Become a Web Developer from Scratch"

This course is a great choice if you are looking for an all-in-one way into web development. Instructor Victor Bastos starts with the essentials, explaining HTML and how to write the code for a page of text. From there, Bastos takes students through all the web technologies that are necessary to create and manage web pages. The basics of both front-end languages such as JavaScript and back-end tools such as PHP and MySQL will also be taught.

Price: $13 $120 [92% off]

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"Complete Python Bootcamp"

Python is one of the simpler coding languages to learn, as it places less of an emphasis on syntax than other languages. It can also serve as a stepping-stone toward learning other languages, such as C++ and Javascript. By the end of the course, students should have a comfortable working knowledge of Python and the ability to apply it to developing applications.

Price: $13 $195 [95% off]

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"Learn to Code by Making Games - The Complete Unity Developer"

Learn how to code real games step-by-step using Unity 3D. Even if you have never coded a line in your life, this course will take you through the process of getting a game from conception to completion. Instead of listening to lengthy lectures on coding, you will learn by doing -- creating real indie games along the way. The perfect class for anyone who wants to make the next "Pokémon GO!"

Price: $13 $195 [95% off]

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"The Complete iOS 10 Developer Course - Build 21 Apps"

You instantly make yourself more marketable and valuable to employers if you know how to develop an app. Even if you have no prior experience, this comprehensive course will teach you how to work with Xcode 8 and Swift 3 to build 21 iOS apps. More than 25,000 students have already enrolled in the course, and it has an overall rating of 4.7/5 stars.

Price: $13 $200 [95% off]

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"Javascript: Understanding the Weird Parts"

Understanding JavaScript could help land you a coveted job, or simply make you a more valuable employee at your current job. This course aims to take you "under the bonnet" of Javascript and give clarity to the aspects of the programming language that often cause issues, even for experienced coders.

The course is taught by Anthony Alicea — a software developer, architect, and UX Designer — and it comes with tons of interactive material, including 85 lectures and more than 11 hours of video training. By the end of the course you should understand the inner-workings of Javascript, know how to build your own Javascript framework or library, fully master key concepts, and much more.

Price: $13 $175 [94% off]

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"Become a SpeedDemon: Productivity Tricks to Save Time"

A great course for those who have been trying to fit more into their day. It teaches you a series of techniques — such as smart scheduling, multitasking, and automating regular activities — so you can do more in less time. The course is instructed by Jonathan Levi, an entrepreneur and "lifehacker" who started his first million-dollar business before he even started his undergraduate degree.

Price: $13 $95 [89% off]

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"Photography Masterclass: Your Complete Guide to Photography"

Turn your photography hobby into a side business as a freelancer by learning advanced techniques in every aspect of the art, from shooting to editing. This course is designed for aspiring photographers of all experience levels, whether you fancy yourself an Instagram expert or have just started getting the hang of your Holga. Nearly 43,000 students have already enrolled in the course, and it has an overall rating of 4.5/5 stars.

Price: $13 $200 [95% off]

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"The Ultimate Excel Programmer Course"

Excel is probably the most powerful tool on your computer — if you know how to wield it. This course is for those with a basic understanding of the program who want to learn how to make spreadsheets do more of the legwork for them. Students will learn how to work with VBA, the coding language of Excel, which will allow them to create their own macros and set up automations.

Price: $13 $80 [88% off]

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"Seth Godin's Freelancer Course"

Through the course, Seth Godin aims to help aspiring freelancers take control of their careers by helping them see the world in the way their potential clients see it. Students will learn how to make their work unique, develop their personal brand, find clients, and increase demand for their work. After completing the course, users should have the tools they need to get started seriously building their CV/resume as a freelancer and becoming, as Godin calls it, "a warrior without a king".

Price: $13 $50 [80% off]

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Source: Business Insider