HOW TO GET THE HARD BADGE: Step 1: Buy desert eagle and fully upgrade it. Step 2: Save up for gatling gun. Buy it, and fully upgrade it. That's it! Alot of jumping is required, but with this method, i'm able to get through hard mode on my first try. + if this helped!
Just spent 10 minutes getting mobbed by caravans of 3 guys..
I agree, there should be less robbers, but not much less, considering this is an apocalyptic scenario.