Tow flat or with dolly?

I have the same dolly that zigzagrv does. Once you get use to it, you can hook things up pretty quickly. Was pulling out at same time as neighbor who was 4 down with Blue Ox towbar. Took him just as long to hook up as it took me. Biggest difference, his hands were clean, and min were dirty from putting on tire straps. I found that the biggest issue with storing the dolly is not at campgrounds. It's storing it when home at the S&B. Be sure to take that into consideration when making your decision. When the toad is replaced, will be going with something I can pull 4 down. Dolly will add 500 - 700 pounds to the weight of your tow. Make sure that you do not exceed your rig's tow rating.