How effective is telemarketing?...

Hi all,

I'm sure lots of us have used telemarketing services for our businesses, and I wondered how useful (or not) people have found it...

There is also a very large price differentiation between different suppliers. I know when I've had quotes for the same service before they have ranged from £200 - £2,000 which is a pretty big difference for the same service.

How do you choose between suppliers?

Thanks,

Dan
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