When Tilly is with Weaver (Rumple) in the shipping container and is showing him the chipped cup, when the camera is behind Tilly the handle of the cup is facing left (from Tilly's POV). When the camera is behind Weaver, the handle of the cup is facing right (again from Tilly's POV).
It was established in Skin Deep (2012) that Rumplestiltskin could be cured of being the Dark One with true love's kiss. He and Belle go through a lot of effort to find a cure when she could have just kissed him.
If Ivy knew that Lucy had been talking about the haunted house all day it doesn't make sense that she hadn't tried going there before Henry had shown her the list Jacinda had given him of potential places Lucy would go.