While it is becoming popluar for people to arrange their own travel, there are many insights that a travel professional can help with. A travel advisor may be aware of specials that you won't find "on-line". Are you insured correctly? Do you have the right documentation for the country you want to visit? A travel advisor can help steer you away from potential problem that you may not be aware of. A good travel advisor can bring a lot of added value to your travel dollars and the assurance that someone is there to help.
Nobody is better equipped to help you check-off the bucket list!