Here. You don't even need my 1 minute video. Use
  Control-Shift-D, then name the folder with the current date and
  time. Then you can close all of those tabs safely and be able to
  go back to the same mental state you were in when you reopen
  them all. (because memories are first stored by WHEN and WHERE
  you are when you have the thoughts - and being AT YOUR computer,
  with the TABS you see in front are you *is* a WHERE for your
  brain.