A listing can show a fat profit on paper and still be a terrible flip. I've driven 30 minutes for a "$150 profit" dresser that turned into a two-person lift, a scrubbing session, and six weeks of it sitting in my garage before it sold for less than I hoped. The profit was real. The flip was a mistake.
So before you message a seller or hop in the car, run the deal past these five questions. If it trips on even one of them, it's usually a pass.
1. What is it, and do you actually know the condition?
Start with what's really being sold, not what the title says. "Works great" is a claim, not a fact, and half the time the photos quietly contradict it. Is the item shown powered on? Can you see the parts that usually fail? Is the one photo that would prove it works conveniently missing?
When the condition is genuinely a mystery, price it like it's broken. If you're wrong, you got a bonus. If you assume it works and it doesn't, you just bought someone else's problem.
2. What does it really resell for?
Not what other people are asking — what things actually sold for. Pull up recent sold comps in matching condition and take the middle price, not the one hopeful outlier. And if you can't find any sold comps at all, that's your answer: thin demand means a long, uncertain wait. (I go deeper on this in how to price used items to resell.)
3. How much work is it, honestly?
This is where most "deals" fall apart. Add up everything between the listing and the cash:
- The pickup — drive time, gas, and whether you can even lift it alone.
- Cleaning or repair, and whether you actually know how to fix it or you're just hoping.
- Listing it, answering the "is this still available??" messages, and meeting the buyer.
A cheap treadmill looks great until you remember it weighs 200 pounds, needs a truck, and sits on the market for a month.
4. Will it sell fast, or sit?
Money stuck in an unsold item can't buy your next flip. A common brand-name tool that moves in three days beats a higher-margin oddity that takes two months to find its one buyer. Speed is part of the return, even though nobody puts it on a spreadsheet.
5. What's the profit per hour?
Here's the number that actually matters. Take your expected profit — resale minus what you paid, fees, and cleanup — and divide by the hours it'll really eat. A $300 profit that costs you a whole Saturday is about $40 an hour. A $120 flip you grab on your way home is $120 an hour. The second one wins, even though the first number is bigger.
Once you start thinking this way, a lot of "good deals" quietly disqualify themselves, and the genuinely great ones get obvious.
The catch
The problem is that running all five checks on every listing is exhausting, and that's what makes reselling start to feel like a second job. That's the whole reason we built Worth Radar: it reads each listing's condition, checks real sold comps, weighs the effort, and hands you one call — PURSUE NOW, PURSUE, MAYBE, or IGNORE — with a profit-per-hour and the most you should pay, before you've spent a minute on it.