I towed with a dolly behind my E-150 van before I upgraded to my 20' open trailer. It was always exciting (at least to me). I always had a crew member behind me with the understanding that, should the car leave the dolly, it was their responsibility to put the car into the ditch or tree on the right side of the road and not let it cross to the left. All in all, it wasn't too bad, but the full trailer does make thing a lot nicer (there's something about have 6 straps holding the car versus 3...).

My one recommendation: brakes. Get a trailer (no matter what kind) with good brakes. You'll be thankful the first time crossing Indiana and a not too smart driver merges onto the interstate right in front of you at ~30 mph and you can't move left because there is a freight train of traffic already there.

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Bill
Planet 6 Racing
bill (at) planet6racing (dot) com