A reseller can offer less than a consumer wants without that offer being irrational. The reseller needs margin for testing, inventory risk, overhead, taxes and the possibility of an unsold item. A seller can also reasonably reject the offer. Those are economic differences, not character verdicts.
One object, several prices
On October 15, John Brajer accepted $1,000 for his Acer Predator Helios after a negotiation that began at $800. He had hoped to realize more, especially given his estimate of what the machine could fetch in resale markets. The gap between wholesale cash-out and hypothetical end-customer sale was real to him, but it was not a simple measure of unfairness: the two transactions transfer different risks and require different work.
The second gap
Another issue sits beneath the dollars. When someone seems to treat a customer as uninformed, the customer may experience a negotiation as an assessment of their intelligence or dignity. An offer concerns an asset. A condescending manner concerns a relationship. Confusing the two makes an ordinary market exchange feel like an imposed social hierarchy.
The framework
Distinguish visible price, underlying utility and human worth. Visible price is the negotiated exchange amount. Utility depends on context: a laptop can be both a depreciating asset and a production instrument. Human worth is not a market clearing price. It cannot be inferred from a cash offer, a bank balance or a retailer's posture.
The question for any creator selling tools to fund the next stage is not only how much cash comes back, but what productive capability is lost when a critical instrument leaves the system.
The practical lesson
Negotiate the asset. Audit the opportunity cost. Never let the other party's price discovery become the definition of who you are.