Except that they're fictional and any time he runs into a bind something falls out of the plot hole to save him. It's not a very good way to reflect on how someone would deal with that situation in real life.
And, even without plot holes, a lot of the strategies that he uses work for him because he's a huge guy, with years of hard experiences in the military police. For example, he may have problems getting people to pick him up when he hitch-hikes, but he rarely needs to worry about his own safety with whoever gives him a ride.