Guides·November 4, 2026·6 min readMultipack Mismatch: The Pack-Size Trap That Fakes Your ROIThe most common cause of a profit number that is too good to be true.WholesaleProduct researchFBABuying timing
Guides·October 30, 2026·9 min readWholesale Supplier List: How We Vet Every NameMost wholesale supplier lists are directory dumps with no evidence anyone checked them. A three-stage vetting checklist, how to verify a US wholesaler before you send a purchase order, the supplier types and when each fits, and the red flags that mean walk away.WholesaleProduct researchFBA
Guides·October 30, 2026·9 min readDays of Cover: The Formula FBA Sellers Should UseDays of cover tells you how many days of sales remain before a product’s stock runs out. The formula, a worked example, how to read it on a Keepa chart, and how to set a buy threshold from your own lead time.Days of CoverInventory signalsWholesale
Guides·October 29, 2026·11 min readAmazon FBA Profit Calculator: Get Every Fee Input RightAn Amazon FBA profit calculator only tells the truth if you feed it the right fee inputs. Fix the referral fee, FBA fulfillment fee, storage and inbound shipping, then read the margin against Days of Cover before you buy.FBAWholesaleProduct research
Guides·October 29, 2026·10 min readAmazon FBA Wholesale Sourcing: Pre-Purchase ChecklistMost sellers can get a distributor’s price list, but few have a repeatable way to decide which lines deserve money. Six decisions to make before any purchase order: vet the distributor, confirm ungating paperwork, run true per-unit margin math, set thresholds, check saturation, and know when to walk away.WholesaleFBAProduct research
Guides·August 1, 2026·4 min readThe Million-Dollar Seller’s Secret: Why Days of Cover Matters More Than PriceWhat Days of Cover is, how to calculate it, and why experienced wholesale sellers watch inventory instead of price charts — plus how the ripeness scale turns it into a buy, watch or pass.Days of CoverWholesaleInventory signals