The core logic of market testing is 'acquire actionable information at minimum cost.' In practice, start by defining a clear validation question—for example, 'Does this market have basic demand for this specification?'—then test with small quantities or limited samples rather than building large inventory upfront. During the test period, actively collect customer feedback and sales data instead of waiting for orders to arrive on their own. Use this data to decide whether to adjust specifications, pricing, or distribution channels. This approach shifts organizations from a passive 'waiting for large customers' position to an active strategy adjustment role, and is more efficient than relying on trade shows or luck.