Visible crew/equipment: When Steve Martin and Kevin Bacon start racing towards the cab, as Bacon starts running, watch carefully as he passes the second window. You can see the camera man sitting on some moving trolley reflected in the window. (00:03:10)
Visible crew/equipment: When Del is trying to negotiate for a room at the El Rancho motel, part of the boom mic pole enters in the upper right corner of the frame (matted widescreen version of the film, not just the open matte 4:3 version). (01:09:05)
Visible crew/equipment: When Neil is looking for the car he hired in the car park, there is a tracking shot from Neil's POV moving along the backs of the cars. On the car in space V-2 you see the reflection of the camera on the dolly and some crew members moving.
Visible crew/equipment: When Neil exits from the airport just after the employer told him "You are f***ed", some onlookers and a crew member moving the camera on the dolly track can be seen reflected on the glass of the entrance from which Neil comes out.
Answer: He's not homeless, he has a house or an apartment somewhere, or lives out of hotels. He just no longer has a 'home', ie, a place where he's happy and someone loves him.
Brian Katcher