My first post - I'm new to trailers and need some input

Whew, that was exhausting just reading your list of questions. You might want to start a new thread for each couple of questions- I bet you get more responses. And certainly more thorough ones.

I will say that the Hawg Law is that you will get 'about' half your mileage when towing. And I agree with the others that youd be well served getting a heavier tow vehicle or a much lighter trailer.