Of the disadvantages is that your earnings are slightly reduced. Since working on long hauls you have more kilometers, which you pass, respectively, and earn more. But not much. You can contact the dispatch service trucking https://thefrisky.com/dedicated-account-in-trucking/ here. There is also all the information about the dedicated drivers. I think you will appreciate all the advantages of such a profession, it will also be possible to save on food. You will be able to take food with you in the morning and go on a trip.