Marketplace Alert Keyword and Exclusion Rules

Clean marketplace alerts start with a simple question: what listing would you actually act on?

A good rule set does not try to capture every possible variation on the first pass. It starts with the main buying intent, watches how sellers describe that intent, then uses include terms, exclusions, AI relevance, price limits, and channel routing to make the feed easier to review.

Write the listing you want before writing the search

Before adding rules, describe the ideal listing in plain language. Include the item, location, budget, and deal breakers.

Examples:

• Used iPhone 15 Pro, unlocked, 256 GB or higher, local pickup, not a case or repair listing.
• Herman Miller Aeron size B, working gas lift, within driving distance, not a chair mat or wanted post.
• Toyota Hilux 4x4 dual cab, registered, under a target budget, not wrecking or parts.
• Stainless commercial fridge, working condition, pickup access possible, not domestic or hire only.

That sentence becomes the source for the search. The broad item phrase goes into the platform search. Hard must-have details can become title rules, price filters, or AI relevance text. Deal breakers become exclusions after you confirm they are real noise.

Keep the main keyword broad enough for seller wording

Sellers rarely use one perfect phrase. A couch may be listed as sofa, lounge, sectional, or modular. A drill kit may be listed by battery platform, tool type, or brand nickname. A car listing may include model, trim, body style, engine, or only a casual shorthand.

Start with a phrase that catches the market:

• macbook pro m1 instead of a full technical spec
• aeron chair instead of one exact configuration
• milwaukee m18 instead of every tool in the kit
• hilux 4x4 instead of one trim and year
• free couch or moving sale for pickup-driven searches

Then use Classifindr’s filtered review to decide what to tighten. If good listings are missing because sellers use a different phrase, create a second search for that phrase rather than forcing one search to do everything.

Use title rules for real must-have terms

A title rule is useful when a word is important enough that you do not want to review matches without it.

Good title-rule candidates include:

• model names, such as Aeron, Series X, M2, or Wildtrak
• sizes, such as 56cm, king, 16 inch, or XL
• condition cues, such as working, registered, or unlocked
• item formats, such as dual cab, sectional, OLED, or underbench
• region-specific wording that sellers consistently use

Avoid making every desirable detail a required title term. Sellers often omit memory, size, accessory, trim, or condition details from the title and put them in photos or descriptions. If the search becomes too quiet, loosen one title rule before widening everything.

Add exclusions from observed noise, not guesses

Exclusions work best when they come from listings you have actually seen.

Useful starter exclusions can include:

• wanted for buyers looking for the item, not sellers offering it
• parts, wrecking, repair, or broken when you only want working items
• case, charger only, box only, strap, or cover for accessory noise
• replica, fake, or lookalike when authenticity matters
• hire, rental, or service when you only want an item for sale
• deposit or finance takeover when those terms do not fit your budget process

Be careful with broad exclusions. A camera listing that says comes with case may still be a useful camera listing. A car listing that says not wrecking may be exactly what you want. Review filtered listings before turning one noisy word into a hard block.

Split different buying intents into separate searches

One overloaded search is harder to tune than two clear searches.

Split searches when the same item has different seller language, value drivers, urgency, or channels.

Common split patterns:

• one exact model search and one broader category search
• one urgent ready-to-buy search and one slower research search
• one marketplace-specific search for Craigslist, Kijiji, Trade Me, Gumtree, or OfferUp filters
• one accessory-friendly bundle search and one main-item-only search
• one lower-budget search and one premium-condition search

For example, a console buyer may keep one search for ps5 disc and another for ps5 bundle. A bike buyer may keep road, gravel, mountain, and e-bike searches separate because size, components, and battery language matter differently.

Match the channel to the rule quality

Do not send every new experiment to the loudest channel.

A practical channel plan:

• Use mobile push or Telegram only for narrow searches you are ready to act on.
• Use Email or Web Push for slower background searches.
• Use Discord when a partner, team, or family member helps review matches.
• Slow down broad searches until the rules are cleaner.
• Move a search to a faster interval only after the match quality is good.

Cleaner rules and quieter channels work together. A broad noisy search at a 1 minute interval will feel worse than a focused search at the same speed.

Review the first matches and adjust one rule at a time

After the search starts, inspect both accepted and filtered listings.

Ask:

• Which words appeared in useful listings?
• Which words appeared in poor matches?
• Did the title rule block useful listings?
• Did the exclusion remove the right listings?
• Is the price range too strict or too wide?
• Does the search need a second phrase instead of another rule?

Change one or two things, then let the search run again. That makes it easier to understand which edit improved the feed.

A simple rule-building sequence

Use this order when creating a Classifindr search:

1. Name the item and buyer goal.
2. Pick the marketplace or Multi only when the same rules fit every platform.
3. Add a broad keyword phrase that matches real seller wording.
4. Choose the picked location suggestion, radius, price range, and interval.
5. Add one or two title rules for true must-have terms.
6. Add exclusions only for repeated noise.
7. Add AI relevance text for context that keywords cannot express cleanly.
8. Route the search to a channel that matches urgency.
9. Review match reasons and filtered listings after the first results.

The strongest marketplace alerts are not the most complicated. They are the ones where the keyword, title rules, exclusions, interval, and channel all match the same buyer goal.