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Black Friday Discount on all MST Courses and Appliantology memberships

Son of Samurai


The current usage of “Black Friday” came from retailers celebrating the time of year they finally turned a profit.

Master Samurai Tech and Appliantology help service techs and companies to be profitable year ’round!

We’re celebrating Thanksgiving and repair excellence with a Black Friday discount.

Get 10% off everything. It’s never been a better time to enroll in a new course or renew your membership.

What do we mean by everything? Well, everything, which means:

Use code BLKFRI2023 to get 10% off your purchase*. Remember to do so soon, as this sale lasts from now until Sunday, November 26th.


Appliantology is the Internet's premier online appliance tech support site. Connect with fellow techs and continue to grow your expertise with the tech-only forums and hours of tech training workshops available to those with a premium membership at Appliantology. Plus, you’ll be able to attend our regular Live Dojos, where you can ask the Samurai questions about the trade and talk real-time with fellow techs. And we haven’t even mentioned the downloads section where you get the manuals and tech sheets you need for your jobs.

Already have a membership at Appliantology? Don't worry, you can still benefit from this 10% discount. If you click here to manage your membership, you'll see a button that says "Renew now". Click that and select how many years in advance you want to renew. That lets you preemptively purchase as many years of membership as you want, all with the 10% discount.

Want to get your membership at Appliantology for free or with a massive discount? Consider enrolling first in our in-depth, online appliance repair training at Master Samurai Tech. Go from rookie to master by learning the core principles of appliance repair with the Core Appliance Repair Training course.

To get access to these and more, use the code BLKFRI2023 at checkout at either Master Samurai Tech or Appliantology and get 10% off your purchase.

Remember, this sale lasts from now until Sunday, November 26th, so act quickly if you want to save on your next purchase.


And have a happy Thanksgiving!

*A couple of “fine print” notes:
Discount cannot be combined with other company discounts at MST or at the Mr. Appliance training site.
Discount CAN be used on Appliantology memberships that are already discounted (such as the $100 MST Student discount)

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