Same here - very good January, not bad first week of February and then,
as you said, everything fell off a cliff. No sales at all, no
interaction, no questions, no offers.
I started selling on eBay in January 2013. Had steady sales in 2014 and
2015 started very good, then a sudden drop in sales in April 2015. I
wasn't the only one. It lasted until the end of 2015 and then sales
started to get back to the previous level...
Same here! I had a short window opened between Oct 4-6, then nothing.
This happens to me every few months, no matter the period of the year.
So frustrating - as if my listings were invisible, no offers from
buyers, no questions, no sales...