In the opening scene, Pam announces that the helium-filled foil balloon is finally falling to the ground. The office and warehouse staff all celebrate this, commenting that it has been floating in the warehouse for ages. However, helium-filled foil balloons only stay floating for 3 to 5 days unless refilled with helium, meaning it could not have been floating for as long as the characters state.
When Erin is doing the introduction interview in Florida, she is apparently in front of a green screen. She is really in there when she's picking up the paper, but if you watch closely, in the following scene, she doesn't naturally fit in the background, lighting in her face is softer, whereas in the real place it's natural sunlight.
Angela makes a dig at Jim and Pam about Jim not providing for Pam so Pam still has to work. But Angela is also married (to the senator) yet she too is working. So Angela's logic is askew and her insult also insults her.
On the beach, Andy says "Tallahassee's about 200 miles inland." Tallahassee is only 25 miles from the Gulf Coast.