Las vegas sports books make improvements every year to protect themselfs from sharp bettors (wise guys). The days of the wise guys are long gone. Sharp bettors or wise guys still make money, but sports books are not as generous as they used to be. There's certain websites that use the old time wise guys for commercial purposes to try and sell their sports picks. This sales pitch strategy is excellent, and I'm sure their misleading hype serves them well.
Las Vegas sports consultants Inc. supplies the major casinos the opening lines. The major casinos have their own consultants if minor ajustments are needed. The biggest concerns are, keeping the illegal bookies around the country from throwing off bets. So they have techniques to deal with vegas runners. Casinos have no problem taking bets from good handicappers who are considered conservative bettors. In my estimation, if you can win 50% of your games on this website, you will profit every year if you live in Las Vegas. According to my estimations, I would have a 5% greater win record verus 5% less loss record, if I had access to the best spreads available in Vegas. I'm talking about games with point spreads. My record with a point spread is 190 wins -177 losses. With the 5% differential, my record would be 208 wins- 159 losses. My estimation is, one out of every twenty games, a loser turns into a winner if you live in vegas. I'm sure my calculations are wrong, but I can't wait to hear the disagreement.