AP Glossary
WhatIsAdvantagePlay?
The practice of using math, observation, and legal strategies to identify and play slot machines with a positive expected value. AP players only play when the numbers are in their favor.
Why It Matters
Why this matters for advantage play
Advantage play is the entire premise of this site. It is not gambling — it is selectively betting only when you have a measurable mathematical edge. The discipline is in walking past hundreds of -EV machines to find the one that has been left in a +EV state, then playing it through to its trigger and walking away.
Cross-Reference
Related terms
EV (Expected Value)
The mathematical average outcome of a bet calculated over infinite repetitions. Positive EV (+EV) means the play is profitable long-term; negative EV (-EV) means the house has the edge. AP players only take +EV plays.
Negative EV (-EV)
A situation where the expected mathematical outcome is a net loss. Most slot machines are -EV most of the time. Advantage players avoid -EV plays entirely — the discipline to walk away from -EV is what separates AP from gambling.
Vulture / Vulturing
The practice of finding and playing machines left in +EV states by previous players who didn't realize the value they'd built up. The term comes from the player 'swooping in' to collect value that others left behind.
Floor Walk
Scouting the casino floor for machines in +EV states without playing. Experienced AP players develop efficient walk routes through a casino, checking meters and counters on known advantage play machines.
Frequently Asked
Common questions about advantage play
Yes. Advantage play on slot machines uses only public information (visible meters and counters) and your own bankroll. Casinos may ask you to leave at their discretion, but advantage play does not involve cheating or device use.
Hourly rates vary widely with floor density, bankroll, and skill. Part-time players targeting a single casino may net $20–$60 per hour after factoring in dry sessions. Serious full-time players who travel between properties can do considerably better, but variance is high — winning months and losing months both happen.
A gambler plays for entertainment and accepts a long-run negative expected value. An advantage player only plays when the math is on their side and walks away the moment it isn't. The skill is in identification and discipline, not in the spinning of the reels.
Ready to put advantage play into practice?
Get access to 150+ machine-specific advantage play guides with exact trigger points, walk-away rules, and floor-walk routes.
Get Access