READ FOR DUPE
When you are doing the car dupe; Hover over the buy Option of the selected vehicle and click purchase
if you have multiple garages hover over the garage and select it and disconnect wifi or your LAN cable.
To disconnect wifi Go to your settings on Ps4,
Go to NETWORK hover over the turn off wifi option, then double tap the PS button on your controller to return to the game;
double tap PS button when you purchase the car and turn off the connection and turn it back on then return to the game
Press Yes to both alerts and load into story mode, you must create a Capture Job; search for a video on how to do that its very very simple
When You Press Triangle on show credits Join AnawackP4 until it loads you into the sky then join Anawack7
When it loads you back into the game press circle 3 times and Join A Private session.
When you load into your garage change your outfit/when you sell the car deposit the money save your outfit so the game saves
Sorry i didnt record audio for this, i decided to upload one of these glitches that work cause alot of people upload BS, 0 cuts or edits in mine