There could be a potential to bring old patched MOC dupe glitch aka “ding dupe” back to life. As far as I understand some of duplication glitches are based on the car entering/exiting two places at once. Based on that assumption, you could possibly enter LSC and MOC at the same time using “home” or PS4 button trick. If you press and release it right after you crossed the LSC garage door threshold, you will be able to drive inside LSC and you will have an “e” option to start modifying (see video). If MOC if parked close to garage door, you will have two “e” options at the same time. First thing that came to mind is to glide with deluxo towards MOC after pressing garage “e” button and then, after hearing another ding, press e again. Unfortunately you cannot enter MOC in glide mode. I don't know how this could be exploited, may be someone will find a way to enter both places at once.