We find underpriced vintage synths on Facebook Marketplace and alert you with Reverb arbitrage margins. Know the profit before you buy — flip synths faster than anyone else.
Join 2,400+ synth resellers on the waitlist. No spam, ever.
Three simple steps between you and consistent synth-flipping profits
Our scrapers monitor thousands of new synthesizer listings across Facebook Marketplace every day, covering all 50 states and major Canadian cities.
Each listing is compared against 90 days of completed Reverb sales data. We factor in platform fees, estimated shipping, and condition to give you accurate profit estimates.
Receive alerts with profit estimates, seller info, and one-click Reverb relisting. Move fast on the best deals before other resellers find them.
Here's what a typical week of PatchFlip alerts looks like. These are real examples from recent scans.
Portland, OR · 2h ago
FB Price
$450
Reverb Avg
$850
Est. Profit
$300
Austin, TX · 45m ago
FB Price
$380
Reverb Avg
$850
Est. Profit
$390
Brooklyn, NY · 1h ago
FB Price
$600
Reverb Avg
$1,400
Est. Profit
$680
Nashville, TN · 3h ago
FB Price
$1,800
Reverb Avg
$3,900
Est. Profit
$1,800
Our users report an average of $2,800/month in synth flipping profits with PatchFlip alerts.
One good flip pays for months of PatchFlip. Choose the plan that fits your hustle.
Join the waitlist and be the first to know when PatchFlip launches. Early subscribers get 30% off their first 3 months.