I use the mouse a lot. I am using a home made [0] app that gives me dropzones when I move a window. The dropzones show up AT the mouse, I can more or less flick the window to where I want it without moving it anywhere or using the keyboard. Although I have not set it up on my newest macbook yet, and I find the default behavior OK.

I do use hot corners extensively to switch between apps and app windows. Can NOT live without them.

[0] It's actually a modified version of an old Rectangle version