The BJJ workout video below is a great example of the BJJ specific conditioning you can get done at home with some simple set-ups and creativity. You can use a heavy bag to work on guard passes, changing postioons, drilling armbars etc..
GFTeam’s Gabriel Rainho shows us how it’s done:
Sloth Jiu-Jitsu: you can be slow and unathletic and still kick butt in Jiu-Jitsu.