With the SSB when not in use takes up virtually no room.
I also had enough room for a Glute Ham. You can also do back raises and abs on it. Glute hams are hard. I could stiff leg a decent amount of weight but my hams cramped after a couple reps on the GHR. Sure it's not necessary but it's still a good and useful addition to a home gym if you can afford it and have the room.