Another very high probability set-up which increases the odds is a wide range bar, a wide body bar (range depends on market and time frame) with no shadows or very small ones provides continuation on most occasions, stop @ low/high of bar. Gamble or not? Still a gamble, with very favourable odds though.
Yes it is gambling, but all of life is a gamble. Other gambling activity- Choosing a spouse, choosing where to live, a college, a job, starting a business, driving a car, flying in a plane etc. The birth process itself is all one big gamble- which sperm cell will mate with which egg and what genes will you get.
When Jesse Livermore threw a trade to the wind, to see which way the tape was blowing...was he "not gambling"?
"I had a hard time convincing her [my mother] that I was not gambling, but making money by figuring." -- Jesse Livermore. The difference betwen gambling and intelligent specultation is that the spectulator has figured out a real edge.