The Tout Postcard Strategy (halving & selling)

There is an old trick in gambling fraud that predates Discord, Telegram and Bitcoin (I said it. no real value). It starts up as "free picks" in your DMs, Instagram screenshots of "winning slips", and invites to private groups that claim razor-sharp win rates. The twist is this: the record of success is engineered more than your slop bowl from Chipolte.

This is the postcard tout scam , and the math behind it is so simple even your average /r/sportsbook reader can comprehend it between yolo'ing 12 leg -300 parlays.

The Core Trick: Split Your Audience, Not the Edge

Imagine you have 1,024 email addresses and want to convince some of them that you are a sports betting genius.

You don’t need skill. You just need a binary outcome.

Game on Sunday. You send out two predictions:

1. 512 people get "Bet Team A"
2. 512 people get "Bet Team B"

One side wins. The other loses. You now have 512 people who think you just nailed a perfect pick.

Next week you do it again, but only to the survivors.

1. 512 -> split into 256 and 256
2. One side wins again
3. Now 256 people think you are 2–0

Repeat this ten times.

After 10 games you have one person out of the original 1,024 has seen ten "correct" picks in a row.

That one person now thinks this is predictive skill instead of math. This exact iterative filtering trick is described in the classic "Baltimore Stockbroker/Psychic Sports Picks" con, where scammers used binary outcomes to manufacture streaks before charging for picks.

What Happens Next

Once the list is small enough — say a few dozen people thinking "this guy is hot" (tbh, I've never heard that said about me before :( ). Now the scammer hits them with a sales pitch:

"I’m 10–0. My next pick is locked — $300 VIP access."

That pick is just another random guess with no edge. If it loses, most of the damage is already done because the scammer has your money. The entire "track record" was constructed by filtering notification lists, not by actual handicapping insight.

You can see parallels in modern Reddit threads-- but they are more egregious. AI generated images with claimed positive EV, but who is actually tracking them? Maybe they start off hot, then hit a cold streak and change the goalpoasts. Doing things like changing unit size (Martingaling works.... until it doesn't), cherry picking odds (because what halfwit degenerate is actually going to shop odds and know how to find odds at a point in time), and other shenanigans like simply omitting losses. I've only personally observed public forums, but I'm sure this is much easier to employ with private one-to-many communication mediums like Whatsapp/Telegram or maybe WHOP (don't quote me on this.)

Why This Looks Convincing

Another angle people report is that these touts give out free picks at first and build credibility before asking for payment. On reddit, scammers will buy aged accounts, warm them up by generating some fake records (yea I'm 32-5 and +96 units-- but I've only posed 3 picks and they were all after the games started)  to try and get rubes paying customers who only find that they're actually just paying for a pseudo-random  number generator.

The pattern always looks the same:

1. Small sample of "free" picks with good results
2. Screenshots of winning tickets floating around social media (they'll constantly badger people to share their winning tickets because they aren't betting their own picks)
3. Push for paid picks after the list has been filtered
4. Loss or disappearance when money changes hands

The Math Makes the Scam, Not Skill

Here’s the kicker: nobody actually needs to know anything about the sport to make this tactic appear real. The whole system relies on confirmation bias and forgetting the losers. On any binary outcome (win/lose), if you keep only the winning half and ignore the losing half, you will eventually have a group that has seen a long streak. That’s not skill — that’s subsetting luck.

It’s exactly the same statistical idea your stats 101 class uses to explain why "survivorship bias" is a fallacy. Until someone (or a vibe coded reddit scraping service) tracks every single pick publicly with odds at the time the pick is made, all you have is a curated highlight reel.

Don’t buy picks because you can will lose your own money without any real information advantage

The postcard tout scam is not about insider info or secret models. It’s about signal mining your own distribution of recipients until the conditional subset looks impressive.

Once you understand the math — that any binary outcome will produce tiny groups of streaks if you filter long enough — the whole thing stops being mysterious and starts looking like what it is: a manufactured narrative with a cash grab at the end.

A true sports edge is about expected value, variance, and real handicapping, not manufactured win streaks that exist only because you never saw all the losers (please don't smash your mirrors now).