I would not recommend someone who can't change a tire drive on sand. Most of the time you are going to be driving a truck if you want to go on sand, which will

I would not recommend someone who can't change a tire drive on sand. Most of the time you are going to be driving a truck if you want to go on sand, which will have truck highway tires and can handle lower pressures just fine. We regularly run down at 17-18psi with standard truck highway tires when on sand.