As for sales, I have stopped selling to overseas customers due to COVID 19. OS sales usually make up around 30% of my turnover. Australian sales have been gradually picking up to the point where I have just had a slightly above average month even without international sales, meaning local sales are up around 40% on long term average.

If you want to sell stuff, list items that buyers actually want, not just things you want to get rid of. ( If its your junk, chances are lots of other people want to get rid of it too. )