Re-posting on Facebook Marketplace sounds like a basic optimization. Run a cron job, delete the old listing, post a fresh copy. In practice, doing it badly is worse than not doing it at all — Meta's anti-spam heuristics will kill your reach for two to three weeks.
Across 38 dealerships running for 90 days, we tested two strategies: (a) post-and-forget, and (b) DealerMatrix's 72-hour re-post with image rotation, slight title variation, and a randomized listing-time jitter to look natural.
Group (a) saw 12% click-through decay per week — by week 4, listings were practically invisible. Group (b) held steady at 92% of week-one CTR, with a 1.4× lift in lead-rate per listing.
The trick was image rotation: we re-shuffle the photo order on every re-post and lightly re-process them (a 1% crop + 2% saturation bump) so Meta's perceptual hash sees a meaningfully different post. Title gets one new keyword from a synonym list. Same vehicle, fresh listing in Meta's eyes.
If you're not on a Pro plan, you can manually do this once a week. It will help. But it'll never be as effective as 72-hour automated rotation — that's why we built the module.