He was honest with you, we are all human and make mistakes, he was good enough to give you a refund,so I would give a refund.
Are you happy with PSP.
Put yourself in his shoes, would you like to lose £100.00
All the best
Paul.
? Don't agree sorry.
Have you seen your text at bottom.
Karma "What goes around, comes around and hits you back twice as as hard"
All the best
Paul.