One of the prerequisites to building a trailer and a bandsaw mill is to be able to weld. It is also a good idea to know about metal as well. These are all new topics for me as I have about 30 minutes of welding experience.
If you have something you want to learn and are not sure if you should take a class or try it on your own. Give this episode a listen as I discuss 5 reasons I have decided to take a class. I believe it could be a good framework for deciding for yourself as well.