A liquidation or outlet store sells whatever it managed to buy, which is the opposite of how nearly all ecommerce marketing is designed to work. There is no hero product to build a campaign around, no restock when something sells, and a catalogue that turns over completely every few weeks. Advertising a specific item is often pointless because it will be gone before the campaign has finished learning.
We write growth plans for stores buying returns, shelf pulls, overstock, end of line and open box goods and selling them online. The plan is built around the two things this business actually runs on: how fast stock turns into cash, and how many buyers come back for the next drop rather than for a particular product. Everything else follows from those.
So the marketing looks different. Category and drop pages that survive a completely changed catalogue. A grading standard published plainly, because condition is the only thing a buyer is really uncertain about. Feeds that can cope with single quantity items appearing and disappearing all day. Email and messaging built around the arrival of new stock rather than around a product. And an honest view of which sourcing categories can carry advertising at all, since a pallet bought at a good price can still be a bad thing to advertise.
The shopper here is buying a discount and accepting a risk, and they know it. They are not comparing your product with the same product elsewhere in the usual way, because yours is used, opened, ex display or last season and theirs is not. What they want to know is exactly what they are getting and exactly what happens if it is wrong.
Condition is the whole conversation. Words like refurbished, open box, grade B and customer return mean nothing consistent across the industry, so a buyer who has been caught out before reads your description looking for what you are not saying. Stores that publish a grading standard and describe faults plainly outperform stores that photograph items from the good side, because trust is the scarce commodity in this category.
Urgency is real rather than manufactured. There genuinely is one of the item, and buyers who follow these stores know that hesitation means losing it. That makes drop timing and notification more powerful here than in almost any other niche.
The repeat behaviour is unusual too. Nobody comes back for the same product because it no longer exists. They come back for the hunt, which means your customer is loyal to the store rather than to anything in it. That changes what your email programme is for and what your homepage should do, since both are really answering the question of what arrived since I last looked.