If the cost of failure is negligible and the chance of success is non-negligible then that’s reason to go ahead even if the odds would otherwise intuitively seem against you. I’d wager that even with a 1% chance of success your expected returns would be enough to justify sending personalized messages, and a .1% would be at least worth a form greeting.
You’re ignoring your chance of success.
If the cost of failure is negligible and the chance of success is non-negligible then that’s reason to go ahead even if the odds would otherwise intuitively seem against you. I’d wager that even with a 1% chance of success your expected returns would be enough to justify sending personalized messages, and a .1% would be at least worth a form greeting.
I’m not sure about you, but for me the cost of writing personalizing messages to 100 women is non-negligible.