I've been happy with the terminals from HF. But their ratcheting tool is for the waste bin. At some point I picked up this crimp tool and it has worked well enough for simple ring terminals. Wasn't from HF, it was at a hamfest to do Anderson Power Poles, but they have worked well for what I've tossed at them for 10g through about 16g.
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Went on a buying spree last year and bought some Molex KK knockoffs, and this crimp tool for them, off fleabay. Think it was part of some package deal. Think I've used them and it was fine... but clearly not enough to give a good answer one way or the other.
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Honestly, I think when you want to do it right, you buy the crimp tool for the connector series, cost be darned. You might be able to get the proper dies but then you still need the crimp tool. Money that I can't justify for home use but YMMV.
I like soldering but it has its limitations, like getting enough heat on really big wires. From what I understand, one typically doesn't solder today due to insulation damage on PVC, solder and flux wicking making the wire less flexible and thus more like to breakage in vibration environments, higher resistance than copper-to-copper crimp (or weld), and the fast pace assembly environment (which isn't a factor for DIY).