I'm not talking about beat cops. On talking marijuana eradication enforcement. They are much smarter than you think.
And any "sophistication to avoid detainment" is a sentence enhancement.
So is using a special skill to commit a crime. Like hacking into banks. Its a charge, plus enhancement and mandatory minimum for the skill level of the criminal.
But federal sentencing is also determined by how long you have spent in jail up to the point of your arrest.
No time in jail=shorter sentence.
Lots if time in jail previously=longer sentence.
Trust me. I spent a long time in both federal and state for growing