I finally got tired of tinning or just twisting wire ends to push into screw connectors. So I bought a Ferrule Crimping tool kit. I like it.
https://www.amazon.com/gp/product/B07PJK2VNT/ref=ppx_yo_dt_b_asin_title_o02_s00?ie=UTF8&psc=1
https://www.amazon.com/gp/product/B07PJK2VNT/ref=ppx_yo_dt_b_asin_title_o02_s00?ie=UTF8&psc=1