I think you're right. Audacity does have a "zero-crossings" thing, but when I tried using it a long time ago, it didn't seem to work, and I just learned to do fade-in/out for everything. Maybe I did something incorrectly.

> I just learned to do fade-in/out for everything. Maybe I did something incorrectly.

This is the de-facto standard practice for fixing/working around that particular issue, so I don't think it's incorrect at all :) Besides, however you fix an issue and it sounds good, it's correct :)