> There's definitely a scaling issue
What exactly?
> but the game let me scroll up and down so I could play it
The shelf is intended to require scrolling to make it emulate you needing to look up and down to see the shelf below the window. Will make that more clear after the jam!
> The potion making confuses me but I managed to make a lot of money so I can't complain
Did you remember to read the tutorial?