The price tag for ‘saving a buck’ may end up being a lot higher ... using a disgustingly cheap crimping tool that positively mauls the connector and/or wire.

with an open end crimped onto the bare end of a wire or cable. The terminals, often simply called crimps, are made of metal ...

Clamp a crimp connector in these with a wire inserted, squeeze the handles ... through it with a precision saw and polish the exposed end for examination, or perhaps study it as a metallurgist ...