Great product. I used a very similar idea with my many clients when I was running a startup. Since my domain was e-commerce, I also used google spreadsheet to

Great product. I used a very similar idea with my many clients when I was running a startup. Since my domain was e-commerce, I also used google spreadsheet to manage inventory, images, products etc. I will recommend that you provide immediate feedback to the user with pre-canned JIRA agile - kanban charts. It is very important that the user feels that they have created a lot of value, otherwise they will not be able to see the value of this extra step.