I like my carpet a lot (IJ/Jungle Jag) but know 2 things: 1. They are defensive / bitey as babies...Mine grew out of this with hook training / handling. 2. They are VERY active...when handling, it is constant motion and don't take your eyes off them... At least that has been my experience.
My guy is a little dodgy sometimes too (flinchy) but I think some of that has to do with the possible jag neuro issues... Oh, btw, forgot to mention that. The jags can have neuro, like wobbling in spider BPs. My boy isn't bad, but ocassionally tilts his head or over flinches when a motion scares him, etc.