fiver v/s TT

Fact is. With today's hitches. TT tow as well as a 5er. So that's a wash. But there are other things to consider. Like a 5er with the same overall length will have more room, But you do lose your truck bed. A 5er does have lots more storage in it, or under it. A TT is flat, So there are no stairs inside, and less stairs to get it as well.
A 5er will usually cost more, and weigh more. It really just comes down to what you want. It's all about personal choice