Normal mode is where you should be most of the time. Insert mode is something you go in and out of. Most people remap escape onto caps lock (OS level), use jj o

Normal mode is where you should be most of the time. Insert mode is something you go in and out of. Most people remap escape onto caps lock (OS level), use jj or jk, or use ctrl-[ (works well with OS level remapping of Ctrl onto cap-lock).