When Iris pushes Hypodermic Sally on the window, she falls on her back. When she hits, she is on her chest.
When one of the 'Swedish Meatballs' is released her throat is slit and quite a lot of blood is seen pouring out of the gash. Although in the next shot from above, no blood is seen on the floor where she is standing.
Sally puts heavy lipstick on and then wipes it off. It's still wiped off when Iris pushes her out the window, but it's back on when she hits the pavement.
When Marcy the realtor first meets Will Drake she states "I had to put my dog down. He came to me through very unfortunate circumstances." She was referring to the Harmon's' dog, Hallie, from Murder House which was in fact a female dog even though Marcy states "HE" came to me through very unfortunate circumstances.