Thanks for the tips, I'll definitely take some of that to make it flow a little better. I do plan on releasing a strategy guide in the future, but in the meantime, I got you. 😊
Yes, after Cinnabar, go to Route 22 and up the plateau heading west. The NPC blocking that path is gone. Head south to get to Johto.
Cinnabar lab is the towards the end of the game.

That house is still in construction in my game. And the man isn't there so I guess that wasn't him