You'd have to do even less copy-pasting. The switch to some agent that has access to your source code directory speed things up so much, the time spent pays for itself in the first day.
I have access to chatgpt codex since i'm on the premium plan. Seems like the lowest barrier to entry for me (cost, learning curve). I will truly have to give this a go. My neighbor is also a dev and he is flabbergasted that i have not at least integrated it into a side project.