Use a real cheaper price
If you have seen it cheaper, say where and how much. Only ever use a price that is true.
When it works
New goods sold in more than one shop, especially shops with a price-match rule.
What to say
“The shop across the road has the same one for 50 less, in stock. Can you match it?”
The mistake to avoid
"It's cheaper online" with no shop and no price, or a price for a different model.
Practise it
Try this move on today's made-up shopkeeper in Bargle. Two minutes, free.
Play today's haggle