Nobody was. We sat at a table or work bench and learned to flow solder, then moved onto expensive things.

Youtube is littered with short how to videos like this :

Or this -

or search for one you like.

LTG : )

Yes. Don't know if it will last with the pounding of the plunger.

LTG : )

Well now where is the fun in that ?

https://www.greatplainselectronics.com/ Ed has all you need. Find crimpers there for every price range.

LTG : )

Please forgive me for pointing this out. The time you spend researching this. Figuring what you need. Ordering parts. etc. etc.

You could have sat at a table for 5 minutes and learned to solder better. Heat joint, touch solder to joint, watch it flow. Done.

LTG : )

That is what files are for. Retin the tip after you file it.

Quicker than learning crimping, if you had the tool and connector.

LTG : )