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I learned how to weld at my local community college for less than $500 (course fees, all of the books are very inexpensive). Highly recommend the experience if you have a community college close by.


I've often wondered how much it would cost to learn HVAC stuff myself and then set up a "business" so I could purchase the the necessary items to DIY AC fixes.


You can get books from my local library that can lead towards getting a license in hvac.

Without a license, you can learn to safely change capacitors, contactors, 24v transformers, and thermostats.




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