Should a writer ever pay to publish their work?

Should a writer ever pay to publish their work?

Derek Johns (Managing Director - AP Watt Literary Agency) gives expert video advice on: Should I consider using a vanity press?; Are there any good alternatives to traditional publishing routes?; Can an agent help me publish my work via non-traditional routes? and more...

The writer should never pay to publish their work and if the writers are asked for money it certain to be from somebody disreputable.