I have a smart car but tried a flat bed trailer, a dolly and finally ended up flat towing with a Blue Ox. I found the first two approaches just too much hassle.
You are right you can't use the eyebolts except for "pulling out of a ditch" or something. For my 08 model you have to put a battery disconnect in place if any of the wheels roll.
Bill & Jenny - 2014 Fleetwood Bounder 35K, 36 ft, Ford V10 - Blue Ox and SMARTCAR. Once/month traveler in Midwest and Southern US. Home - Nashville, Indiana (Beautiful Brown County)