My ebay account is B!ghead and has perfect feedback.

I've done multiple big trades of value over $100.  One such trade was of value around $600.

I will just send hard sleeved and wrapped in a regular envelope on trades under ~$25.  Most things above that gets a padded envelope and tracking.  I expect you to do the same.

If you have less than 30 feedback, I'll probably ask you to send first.