[cheflayne]

... get a van, it will be a lot easier.

Very few trailers have side doors, most vans do, and they are invaluable.

Delivering or setting up in underground parkades is horrible with trailers

Yes, yes, yes. Also ramps need room when unloading and many times will not be advantageous, applicable, nor available. How many different people drive your vehicles and how many can backup a trailer? A catered event is not a good time for OJT. Finding parking space for a vehicle with a trailer limits your options and many times will prove to be more of a hindrance than a blessing.