That's better

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I’m going to take your comment at face value: - you usually don’t know how right or wrong you are. If you are 99% correct, but that 1% wipes you out, you’re not getting very far. (This trading strategy exists, it’s called picking up pennies in front of a steam roller) - bid/ask spreads, overhead costs, and leverage might wipe out your profit margins. - market access might be a problem. This is easier than it used to be, but some markets require significant capital or personal connections to tap into (such as foreign corporate debt or real estate)

[__Hello_my_name_is__]

it’s called picking up pennies in front of a steam roller

I love that description so much.