Open precise, with the reason. Trade scope, never price.

In a negotiation, open with a precise number plus its reason ("€2,350: three videos and 90 days of usage rights"), or a range with your target at the bottom. Keep listed prices clean. Trade scope, never price.
P Evidence: promising. Good studies, but small or few. Use it and keep checking.
research on precise anchors in negotiation.
Not medical, legal or financial advice.
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