Recommended · for beginners
Test etching PCBs with inkjet transparencies.
Why people recommend it
BigClive's walkthrough of making boards at home with UV-sensitive laminate and an etchant, offered to people who want to try this route themselves.
Watch for: Cheap fabs may beat etching on small runs
In their words
Maybe watching this video by BigClive (a Youtuber) will help:
Bimpelrekkie on electronics.stackexchange.com, Nov 2021. CC BY-SA.