I prefer to buy low and close out longs at key resistance levels...

I prefer to buy low and close out longs at key resistance levels in an uptrend and continue to buy dips. Selling short in an uptrend is more difficult and less rewarding as it's harder to identify tops than it's to identify bottoms. Shorts are usually trapped at the lows and cover on dips. Easier to buy with shorts, than to sell short at 'tops'. Markets are more forgiving when you go with the trend. Just my Z$2c