Pen and paper or a password vault? Encrypted excel or librecalc file?
A scheme that creates a very unique pattern based on each service's name. It's much easier to recreate each password (until it becomes rote) in my head than to have to remember them all.
Text file on my desktop on pc and laptop
yolo niggas taz my motto
randomly generated string saved to .txt file, destroyed and regenerated by hand each week. gonna be a full time job trying to spy on me, bucko.