It's too risky to not launch before doing this. It's far more likely that no one will even notice your site, rather than spammers start piling on. Implement ba

It's too risky to not launch before doing this. It's far more likely that no one will even notice your site, rather than spammers start piling on. Implement basic logging & monitoring and you'll be fine. It may suck when/if it comes, but scaling & abuse defense is usually a good problem to have. Worst case, you've got a completely idle server!