Sent you a pm.
Once we get this spreasheet up and running, i'll make it available to whoever wants it.
Now for all my betting wisdom, you can find most of it in the following wall of text. I do accept tips :-)
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If you really wanna make money consistently by betting sports, you need 2 things:
1- A bankroll dedicated to sports betting (A sum of money that you will not need to do anything else. You want to keep your betting money separated from all other expenses. If you pay your bills with the profits ffrom the Yankees game, stop betting right now, you got more important things to do with your money, and also, you'll never be able to grow a significant BR if you keep nibbling at your winnings)
2- Keep an exact and accurate record of ALL your bets.
1- What you wanna be doing is betting a very small portion of your bankroll on any event. I usually go the 1% route.
That is to say: on each bet you wager 1% of your bankroll. No more, no less. No bet is a lock, someone who tells you "this bet is guarateed to go through" is lying to you. He might not do so with evil intentions, but he is lying to you.
For in sports betting, there is only one thing that is for sure: There is no certainty whatsoever. And this is how the bookies are making money.
That and Parlays. Stay away from teasers, parlay and other accumulator. Returns seems so huge you'll tell me. Well, those bets are the bread and butter of bookies. Ask your friend around, write down the games they're betting as accumulator and write down the odds for every individual game, and the odds for the accumulator itself. Crunch the numbers for a while and you'll see it for yourself.
The great thing about the 1% trick is that you can virtually never go broke. For each bet you win, the 1% is getting a bit bigger. For every bet you lose, it becomes smaller. Say you start with 1BTC as a bankroll. you lay 10 bets of 0.01on the first day. you win all 10 of them. You now have, to keep the math simple, 1.1 BTC. Your unit is now 1% of 1.1BTC or 0.011. Doesn't seems like much. But in the long run it does add up. And sports betting is all about the long run.
This is why you wanna bet 1% and not 10%. When you bet 1%, you'll have time to find out if you're any good at this as you'll ahve more than 100 bets from your bankroll. If you're not good at this, you can still have a bankroll and have fun betting. No harms in that. If you happened to be good, well that's great, but you might have had a rough start. Losing 10 bets in a row isn't that rare of an occurence. In any sports, you'll have ups and downs. So give yourself time to pull through by being able to negociate rough patches. Bet only 1% of your BR at a time.
2- You do not want to be lying to yourself. In sports betting, and gambling in general, you are your worst enemy and your best friend. So make sure you stay friendly with yourself and track every bets as if your taxman was on you (and he will if you live in a country where gambling profits are taxed. You wanna make sure to pay your taxes, and for this you need a record as accurate as possible, you wouldn't want to be paying too much taxes, would you?)
A simple Xcel spreadsheet will do, a notepad file is good enough too, you can take screencap from your bookies, keep all your dockets from the bookie if you betting in a brick and mortar facility. Whatever the way, just stay honest and organised to track your results.
Whatever the reason you're doing it, be it for making profits, or just for fun, only gamble money you can afford to lose. Do not gamble above your means, even if according to Slimy Samy, "this bet is a lock, put your life savings on it".
Hope that will help some people looking to get into sports betting.
If you want more info on sports betting or gambling in general, feel free to let me know. I'll do my best to write content you might find interesting.
EDIT Some more ressources for those of you wondering some more subtle points on betting mathematics
http://en.wikipedia.org/wiki/Parlay_(gambling)
http://rldinvestments.com/Kelly%20Calculator/js/Money%20Management.html