I went a slightly different direction. CTRL+N is next buffer (ie: tab), CTRL+P prev buffer, LEADER+W for close buffer. I don't make new buffers a lot, so I just

I went a slightly different direction. CTRL+N is next buffer (ie: tab), CTRL+P prev buffer, LEADER+W for close buffer. I don't make new buffers a lot, so I just type out :new when I need to. Opening an existing file is LEADER+F, which opens fzy via vim-picker. I reserve the F keys for toggles. F2 is set to pastetoggle. F3 turns numbers on and off. F4 turns special characters on and off.