I am not going to bash you for the load you carried, but it isn't safe for you or others. If that van stops fast, I would imagine the trailer won't stop and will just run right into, or through, the van. What about the wildlife in your area? You can't predict when a deer will jump out(or a moose) and then you will take it from both ends. Saving money is never more important than human life.
I can appreciate trying to make ends meet and not waste any fuel, etc. by using a smaller vehicle, but if something happens to you, or family, or a stranger, it will leave you(or a family member) with nothing but a lifetime of regret.
I used to load my pickup and trailer to the brim and not tie it down. No one ever got hurt, but it took members on this site to make me see just how dangerous(and how lucky) I was that nothing had ever fallen off and hit somebody while I was on the road. Now, I take the extra 10 minutes and tie my load down so I know I am as safe as I can be.