CarSnipe

On Facebook Marketplace an underpriced car rarely survives the morning: the first person to message the seller usually gets it. CarSnipe is built for that race. You describe the vehicle to @CarSnipeBot — make, model, year range, price ceiling, maximum mileage and search radius — and every matching listing arrives in Telegram with a photo, the price, the mileage, the distance and an estimated drive time.

The watching itself is done by a CarSnipe extension for Chrome, Edge, Brave or Firefox, which you pair with the bot through a one-time code. The extension reads public Marketplace listings from your own browser, and the site says your Facebook login stays encrypted on your computer and never reaches its servers. The flip side is simple: monitoring runs only while that browser is open, so a laptop that sleeps at night misses the 2 a.m. bargain.

Basic checks every 15 minutes and holds two searches. Pro checks every 3 minutes, removes the search limit and adds price-drop alerts, a market value drawn from comparable local sales and a list of red flags read out of the seller's own description. Both plans start with a 7-day trial that needs a card, and you cancel from the chat with /billing.

CarSnipe says it works wherever Marketplace has a vehicles category and shows local currency, but warns that Facebook serves the freshest listings in the US, Canada, the UK and Australia. Elsewhere, run the trial before you pay.