Positional trading how to

Correct me if i am wrong. The safe way to enter markets is by doing positional trading as in buying stocks with the intention of holding it for more than a day. Buying stocks with a recognisable candlestick pattern near about the support and sitting the target towards its resistance on above average volumes. Is this way right? And the lookback period for such types of trading should be 12-18 months… Am i right??? Or should it be 6 months?? Also what indicators should be applied for selecting the stock? Is 9*21 day ema sufficient?

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