Guide
The case for automating eBay repricing is usually framed around speed. But speed is only half the story. The deeper ROI is in two places most sellers never quantify: the hours you stop spending watching prices, and the sales you win in the windows when you were asleep or away. The reason sellers have historically resisted automation is fear — fear of a runaway price drop. A hard floor per listing removes that fear entirely, which means the only real argument left for manual repricing is that you have fewer than 25 listings and truly enjoy spreadsheets.
Manual repricing is not free. If you manage 100 active listings and check competitor prices twice a day, a conservative estimate is 3-4 minutes per listing session — that is 5 to 7 hours a week spent on price surveillance alone. At a modest $25/hr opportunity cost, you are spending $125 to $175 per week on a task that produces no creative value and that a machine can do in seconds.
An automated repricer does not just save time — it captures sales that would otherwise go to a competitor who undercut you by $0.50 while you were offline. eBay's buy box and Best Match algorithm favor competitive pricing, and the window to win a sale can be as short as 15 minutes after a competitor's price changes. Pro and Scale plan subscribers on Undercut both reprice every 15 minutes, meaning a competitor price drop is matched or beaten within one cycle rather than the next time you log in. In electronics — a category where median listing lifespans are under 48 hours and price volatility is high — missing even two repricing windows in a day can mean losing the sale entirely to a same-condition competitor who was $1.20 cheaper at the moment a buyer searched.
The only credible objection to automated repricing is the race-to-zero risk — the fear that the software will keep cutting price until you sell at a loss. A hard floor per listing makes this structurally impossible. Here is a worked example for a used textbook sold via standard shipping:
Item cost: $8.00 Shipping cost: $4.00 eBay final value fee (13.25% of $20 sale): $2.65 PayPal/managed payments processing (~2.9% + $0.30): $0.88 Minimum target margin: 15% of sale price
Floor = (cost + shipping + fees) / (1 - margin %) = ($8 + $4 + ~$3.53) / (1 - 0.15) ≈ $18.27
Set your floor at $18.27. Undercut will chase every competitor down to that number and stop. It will never sell below it. If all competitors drop below your floor, Undercut holds at your floor rather than matching — you simply do not win that sale, which is exactly the right outcome. You keep margin integrity without lifting a finger.
Manual repricing is defensible in a narrow set of circumstances: fewer than 25 listings with low price volatility (vintage, antiques, one-of-a-kind items where you are the only comparable seller), or categories where you deliberately price above market because your listing quality — photos, description, seller feedback — justifies a premium. If either of those describes you, Undercut's free plan covers 25 listings at no cost and no card required. You can automate the occasional commodity item and keep manual control on the differentiated pieces. The point is that automation and manual are not mutually exclusive — floors give you the control to use both in the same account.
The transition is lower-risk than most sellers expect. The recommended approach: start with your 25 highest-volume commodity listings — items with multiple identical competitors where you are purely competing on price. Set conservative floors (use the formula above, or Undercut's built-in floor calculator). Run automated repricing on those listings for one week while keeping your remaining listings manual. Review the repricing log: you will see exactly which competitor moves triggered a reprice, what price was set, and whether the floor was hit. After a week, most sellers find their floor was never reached on commodity items and expand automation to additional listings. Undercut's free 14-day trial gives you enough time to run this experiment with zero financial commitment.
Start your 14-day free trial — 25 listings included, no credit card required. See exactly how many reprice events fire in your first week and what each one wins you.
Start freeIf I automate repricing, will Undercut keep lowering my price even if every competitor is selling below my cost?
No. Undercut will lower your price to match the lowest competitor only down to the floor you set. If competitors drop below your floor, Undercut holds at your floor and stops. You will not win those sales, but you will not lose money on them either. The floor is a hard constraint, not a suggestion.
How much time does automated repricing realistically save for a 200-listing eBay store?
Most sellers with 200 listings report spending 8 to 12 hours per week on manual price monitoring before switching. With automated repricing that drops to roughly 30 minutes per week reviewing logs and updating floors when costs change — a time saving of 90% or more. That time can go toward sourcing, photography, or listing new inventory.
Does repricing frequency actually matter, or is once a day enough?
It depends on your category. For slow-moving niches like antiques or handmade items, daily repricing is often sufficient. For electronics, media, or any category with multiple competitors and high search volume, a price change by a competitor at 2am can cost you the next 50 sales before you wake up. Undercut's Pro and Scale plans both reprice every 15 minutes — that 15-minute cadence matters most in high-velocity categories, recapturing position within one cycle of any competitor move.
Can I use automated repricing for only some of my listings and keep others manual?
Yes. Automation is per-listing in Undercut — you enable it on the listings where you want it and leave others untouched. A common pattern is to automate commodity items with clear competitors and keep unique or collectible items on manual pricing where your listing quality justifies a premium over comps.
What happens to my floor if my supplier raises costs mid-month?
You update the floor yourself in the dashboard. Undercut does not automatically recalculate floors when your costs change — you own that number because you own the cost data. The workflow is: update your cost sheet, recalculate the new floor, and enter it on the listing in Undercut. Until you update it, the old floor remains in effect, which is a safe default — it will not let the price drop below the old floor while you catch up.
Related: How to Avoid Selling Below Cost on eBay · Repricing Without Losing Margin · eBay Pricing Strategy Guide · What Is a Price Floor? · AI Repricing on eBay: How It Works