Online shop ideas

So this year, it's all about publishing our second book and raising awareness of our little imprint. 
As we are doing everything ourselves - writing, editing, design, marketing, promo, etc. - everything is going incredibly slowly. The writing gets in the way of the publisher side of things and the publisher side of things gets in the way of the writing, plus the fact that we need to (try to) earn a living to pay the bills... 
We have been thinking about setting up an online shop, but as we are not techies, computer wizzards or business geniuses, we are extremely worried about starting anything and getting it wrong... 

So we've started looking around for tips and inspiration. There's an interesting blog HERE about the pros and cons of SHOPIFY and some good hints about what you have to think about when choosing an e-commerce platform. 
There's a lot of reading and thinking to do, and this is a long-term thing, but it would be great to have an online shop up and running for the publication of our second novel. 
Watch this space!