Ravenblack
Nope. You're not convincing me. nice try though. 
@GlasshouseStoneThrower
In other words, you have no sensible response and don't want to admit it. 
You mean like no-one has any sensible or logical response as to why some vets charge exorbitant rates, some charge reasonable rates, and a few charge rather cheap rates.
As @aridane said, the vets who charge less have all the same facilities, and the same highly qualified vets, excellent veterinary nurses, the same modern facilities, separate waiting rooms for cats and dogs, designated operating theatres and separate prep areas (which is more hygienic and reduces infection risks,) and X ray machines yada yada..
I can't believe anyone (who claims to be a vet themselves,) would suggest that the vets who are cheaper would not have such basic things as a bloody X ray machine, and separate prep areas when preparing operations, and staff who are not trained so well. Unbelievable! How rude and insulting to the less costly vets .. Sounds like the words of someone trying to justify their high costs to me! 
Indeed, the cheaper vet I use now is BETTER than the pricey one I used to use. Less waiting time, friendlier staff, not long to wait for a routine appointment. And shocker!!! They have separate waiting rooms for cats and dogs too, and all the modern facilities, and even fully qualified vets, and even a FREE car park!!! 
It's absolute bollocks to suggest the pricey vets charge more because they're 'better.'
I'm half expecting someone to come up with 'they use different suppliers for the animal meds,' or some shit like that. Well if they do, they SHOULDN'T. They should make it as reasonable for the customer as possible.
As a few posters have said, whilst there are many decent vets, there are some money-grabbing ones too, who care more about lining their pockets than anything else.
If some vets can do it cheaply/reasonably, then others can.
They just choose not to.