Don't question the caravan. Just run with it. I wrote a creative piece last year about a caravan - Me and My Betty. It was about my caravan Betty and I, and the adventures we had. Fictional but fun. I could do a lot with this. Now where do I get a caravan...?
Single tire trailers are the BEST when you're trying not to stick out into traffic! Two tire trailers are great for weight I suppose, but single tires have a less wide profile and will make your life much more pleasant. bike-tent-trailer