So you have businesses, individual crimes and organized crimes but how about the ability to setup your own rackets? I think it would be interesting to actually operate a criminal enterprise. Your success could be dependent on your crime skill levels depending on what racket you choose. It could generate passive income, be subject to being robbed or raided by cops, and upgraded to increase functionality and gains or security. Each of the rackets would vary in its expenses and maintenance along with carrying different levels of risk.
Racket list:
Drug Businesses could include Meth Lab, Heroin Processing warehouse, Cocaine Mixing Lab, Marijuana Farm, Pill mill
Fencing warehouse for stolen goods
Chop Shop for stolen vehicles and moving hot parts
Casino for illegal gambling
Loan sharking operation
Credit and identity fraud operation