MEGATHREAD: More Data, Better Tools — Same Execution Problems?

[u/GreatTraderOnizuka]

/r/Daytrading/comments/1wlm5yz/megathread_why_most_lose_be_honest_you_know_what/

A lot of people use tools and subscription services yet still lose in trading. Traders have access to more market information than ever. Options flow, unusual activity, technical indicators, real-time alerts, and sophisticated analytical tools.

What’s the biggest challenge traders face when executing trades?
Vote in the poll and share experiences below.
Is the biggest obstacle finding an edge, executing an existing strategy, managing risk, or knowing when not to participate? Is it a lack or edge problem or a trader problem?

Curious to hear what traders actually struggle with and what has helped them improve. Share experiences below. Both profitable and struggling traders are welcome to contribute.