These basic strategy teasers eventually led the books to revise their odds as detailed below. Wong begin to track and prove that winning with teasers was profitable given their current state and availability. Eventually beating the books at a rate of more then the required 70.95% Mr. Stanford Wong who is widely considered the inventor of the idea of “ basic strategy teasers” used push charts in his 2001 book “ Sharp Sports Betting” to illustrate that utilizing point spread modifications on +1.5 to +2.5 underdogs and -7.5 to -8.5 favorites is a profitable sports betting system when given the correct teaser odds by the casino or sports book.