I too am confused by the 1-5 scale on questions.
Also, when you ask for trip budget, please specify a currency and whether it is per day, per trip,
You might want to add a "none of the above" response to many of the questions. On several questions, I couldn't find a response that suited me. You might provide a space to answer in a few words. (For instance, "I travel to make new friends" or "to learn about modern, foreign cultures".)