Fastpass+ selection

We’re working with a travel agent who said she can log into my MDE account at midnight when the 60-day window opens to help us book our FP+ reservations. I have a few questions:

  1. Has anyone done this, i.e., letting a travel agent book the FP+?
  2. Does it work out better than your doing it yourself (presuming you know the dates/times you want)?
  3. Has anyone tried having two (or more) people logged in to the same account simultaneously, each tasked with booking a different day (to avoid conflicts)? (For example, one person starting on the first day and working forward, and the other starting on the last day and working backward.)