I'm new to this particular game. Literally only played 2 games with my nephew as we flipped through the rulebook and we got things wrong then. That we can work through and I already have those issues worked out by more carefull reading. (so new, I had not "pre-read").

My question is lists. I understand that mixing rebels and imperial is not a good idea....but what about the scum? I'm thinking they are of course their own force alone but as bounty hunters and such are rebel or imperials allowed to make use of them here? If they are, whats the numbers? Would it be just a single ship or what. I really really like the imagery of the imperials (bad guys always get the cool looking stuff) but some of the bounty hunters like fett and boosk are so characterfull and cool, I'd like to mix one of them in sometimes.

Unfortunately, Scum remains their own separate faction and don't mix.

For official tournaments (and generally people like to fly tournament formats at game night) this doesn't work. However, talk to your local store or gaming group, lots of fun can be had in cross faction play. The store I play at occasionally does cross faction tournaments, however with the listbuilder restrictions I don't know how easy it is to just remove all faction requirements. We are going to try 5-threat cross faction quick build tournament next month, with a 2 ship minimum (from different factions). Should be fun! With 5 threat, games should be under 45 minutes.