I want to know (since I've always used classic) what the advantages and disadvantages are for using the Classic TrigEdit compared to the Trig Edit that, say, comes with SCMD?
I've heard a lot about Trig Edit, but I don't know how to use it, and I'm not sure I want to spend the time learning how.

TrigEdit can copy large amounts of triggers faster, also you can pull out the text and use Find and Replace, or other such functions to quickly change large amounts of triggers.

Classic simply provides a GUI for making triggers, easier, but slower.

Yeah, I only use TrigEdit to edit certain things in a whole bunch of triggers. Other than that, I use classic trigger.

I rarely use TrigEdit. I'm a Classic guy.

I use classic to make a trigger, then trigedit to make similar triggers from that trigger. One trigger in classic will usually become 20 or so triggers in trigedit.

For example binary countoffs, I'll code the first trigger in classic. Hit copy a bunch of times in classic. Then go into trigedit and go down changing the numbers to 2, 4, 8, 16 etc.