I don't see any hooks to secure cargo such as luggage in the trunk so it doesn't move all over the place. Is my only option a cargo net ?

 

I don't know where you'd attach a cargo net.
Something you might try is to get a plastic bin and some stick on velcro strips. Stick a few strips to the bottom of the bin and stick it in the trunk where you want it. You could put down a few strips of the floor side in other areas in the trunk so you could just pick up the bin and stick it in the other spot.

 

There are those cheap plasic hooks on the side of the trunk of the 5-door, I dont trust em though

 

You mean the Rubber coated hooks that are screwed into the body., I love them, keeps my Cleaning supply box in one place.

 

If you get the OEM cargo net several of the plastic anchors around the trunk will be replaced with anchors that have cargo hooks on them. I'm not sure if you can get just those hooks without the net or not