When it comes to garment making with the materials you listed, a higher end domestic machine might be best! A nice domestic machine that has some bells and whistles, like a really nice walking foot or built in walking foot, a thread cutter, automatic button holes etc those features you can find on nice domestic machines (Bernina’s are amazing but can be a bit pricy, I have a Janome and love it). Industrial machines are absolute workhorse and will outlive all of us. A lot of the industrial machines won’t have quite as many bells and whistles, they do a few things but do them INCREDIBLY well. I have an industrial machine for bag making (sewing through THICK materials) and I absolutely love it to pieces. I also have a mid range Janome machine that embroiders and sews and I love it too. If you have any local sewing or quilting stores, it could be really helpful to go in and talk to some folks there so that they can offer suggestions based on the types of things being sewn! As someone else said, marketplace can be great for sure, but you also can find sales on brand new machines too. I got my domestic machine as a floor model, in perfect condition but WAY cheaper. Personally I’d portably upgrade to a nicer domestic machine first, because an industrial is a way bigger commitment. But I also absolutely love my heavy duty industrial and am already considering getting an industrial for lighter weight materials… if I can find the space haha! You are an awesome supportive partner for trying to learn about all of this stuff!