Is scalping/intraday profitable?

Is scalping/intraday profitable?
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Scalping can be profitable, but you should keep in mind transaction costs.

If you scalp 5 pips and spread is 1 pip then 20% goes to transaction costs.

If you swing trade 50 pips and spread is 1 pip then 2% goes to transaction costs.

In theory you can make more money as scalper, because the potential is there to "catch every pip" in both directions (you won't do that consistently, no one does). But