Have you read through all the advice and top selling tips for new sellers on the Shop Talk forum?
It sums up pretty much everything you need to consider if you want to sell on here. If you’re new still, what have you got to lose by sticking around a bit longer? You’ve paid for 4 months listing, so you may as well try it for at least that long - but you can’t just sit back and expect customers to find you. There is a huge amount of effort, time and energy needed to promote your shop, especially in the early days. I’ve been on here for over three years and still spend more time promoting than I do making.