I guess it's time for me to change gears and admit that in 1-2 more years lifting a 3 ball inline out of the car isn't going to be as much fun as it used to. Time for me to buy a detachable 4 ball instead of a 3.
I know some brands do NOT stand upright in a trunk. I definitely prefer a brand where the lower bag can stand upright in a standard car trunk.

Recommendations?

that's the thing with 4 ball rollers and me..... there's so much space, especially the Storm bags, that I feel the need to fill those pockets up. (Great when I travel out of town for all weekend tourney)

I remember putting portable fans, extra pair of socks and shirt, bag of chips, drinks, and extra towels for the balls and one for my face.