As Jason101 indicated, there is no way anyone can comment on how well a trading system may perform without backtesting it.
Even so, my inclination is to say that your system won't be profitable. I have tested hundreds (if not thousands) of systems, and developed a number of profitable ones, and...
There is no such thing as a best technical analysis tool. All technical indicators, etc. operate similarly, essentially filtering specific information from pure price (or volume) data. For example, a moving average is a finite impulse response filter used to filter short-term fluctuations and...