Never work ever ever ever work off the clock!
This company will send its goons after you to recoup a $00.50 Toll.
Never work off the clock.
You answer an email, add it to admin time.
You take a phone call, add it to admin time.
You can't finish your route in 40? Don't you dare clock out to finish.
You can't finish your route in 40? That sucks, not your problem. Its the punk 20 year old DM RMS and RDRs problem.
This company wouldnt do you a favor. You have no obligation to do favors.
Also document everything. Save emails. Save emails to your computer so in the case they decide to fire you you have a boat load of evidence that would get any lawyer to salivate over the settlement.