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A six-step verification sequence run en order before any deposit: registry check, unscheduled video tour, traceable test reports, sealed sample, escrow payment y AQL inspection.

A countable formula para finding market gaps - demand mentions times two minus existing solutions - con el review-mining y community-mining methods that feed it, three worked scores, y el scale y willingness-a-pay tests that decide whether a gap is worth manufacturing.

Five research mistakes that quietly drain import budgets — de chasing hype a ignoring landed cost y compliance — y el five-step pre-order framework el RND Sourcing Team uses a fix them.

Twelve mistakes that kill new e-commerce stores — wrong niche, bad images, cost-plus pricing, no email list, early paid ads, over-inventory, y more — each con a concrete fix y a validate-before-you-build rule.

Answer Engine Optimization en 2026: what AI answer engines cite, how a write plain-text FAQ con schema, build authority y E-E-A-T, y make your cornerstone content machine-readable.

Unit Economics 101 para first-time founders: model fully-loaded CAC, estimate LTV de repeat rate, hold a 3:1 ratio, y find your cash-flow break point before you reorder — con a sourcing-agent margin lever.

A repeatable method for mining Reddit for unmet product demand: the exact search syntax, how to read a thread for a real gap, three signals that separate genuine demand from noise, and how to convert verbatim quotes into ad copy and factory specifications.

Eight genuinely free product research sources ranked by signal strength, including el supply-side y Yiwu restock signals that paid tools cannot see, plus a 30-minute weekly routine a work them.