Basically, GTA’s own brands (like Benefactor) are allowed. However, my Discord community has been annoyed enough by the “GTA brands,” so I now only use them rarely. And even when I do, they are mostly removed with extras.
no ones gonna negotiate the price because no one in their right mind is going to pay $60 for a vanilla car transformed into a convertible…you mod makers are definitely smoking the whacky tobbacy when you set prices