Go to a drug spot and activate the macro. It will sell drugs for you while AFK. Recommended stock for a night run (6-8h): 300g - 500g each drug. Try to go to the US 2 server, less cops and less risk in general.
Download the program (Download) and go to the macro editor
press the button «Open file»
and select the downloaded file
assign a macro to a key and run the program