If every alert is junk, your setup is wrong. Here’s how to pick keywords, radius, and price filters so your phone only buzzes for real deals.

There are only three ways to find deals: dig through old listings, refresh until the algorithm learns you, or automate it with alerts. The best one depends on your time, money, and patience.

The deal isn’t made when you buy. It’s made by knowing what something’s worth before the listing ever shows up. Here are the 5 things that decide value and how to learn them fast.