Every marketplace ranking system assumes you can keep selling. Sales velocity compounds, an in-stock listing accrues history, and a product that disappears for four months hands that position to a competitor who bought from a broker and never has a bad year. For a producer whose volume is set by yield, that is a structural mismatch, not a management failure. So the first decision is which of your SKUs can genuinely hold a shelf: the blended, the shelf-stable, the year-round pantry line, the pack that can be made from more than one lot. The single-vineyard, single-orchard, small-lot items stay where scarcity is a selling point, which is your own store with a waitlist behind it.
The second decision is what a fulfilment network does to dated and heat-sensitive stock. Storage fees escalate the longer inventory sits, which punishes exactly the seller who receives a year's production at once, and a Central Valley producer shipping olive oil, chocolate, honey, jams or anything with a fat that softens is exposed through a long, hot summer while the listing keeps taking orders. The workable patterns are staged inbound rather than one large receipt, seller-fulfilled from your own facility on the heat-sensitive lines, and a documented seasonal switch decided in winter. Where a product cannot survive that reliably, the honest answer is that it is not a marketplace product.
Then there is the part of your catalogue the major US marketplaces will not carry at all. Direct-to-consumer wine and spirits are effectively closed to third-party sellers on the large general marketplaces, so a winery's club, allocation tiers and library releases stay on your own store — which is where they belong anyway, because the club is the business and no platform is going to hand you a member. What the channel can do for a producer with a wine or spirits core is carry the adjacent shelf-stable range: the oils, the preserves, the mixers, the gift boxes, the merchandise. And Faire is usually the more valuable second channel here, because farm-direct food already sells into specialty grocery, and a wholesale marketplace reaches those buyers without a broker.