1) Buy the golden qr map, as you're walking past it anyway
2) Map glitch reference (7 steps if you do it the same way as the video)
3) Block the kid before he goes up the stairs to turn him around, doing this will save 15 seconds
4) Buy the scarlet hills map

1) Skip lighters at the start
2) Go to warehouse 9
3) Play roll it on top
4) Go to Warehouse 8

(Shenmue 1 save only)