Founder & CEO of Simply Curated, a luxury candle company. Owner of Hart & Co. a floral and event design business. Former podcast host of 'From Maker to Manufacturing', SXSW Speaker, small business cheerleader, passionate about helping people grow their businesses.
I think getting a software system to track current inventory should be your #1 priority.
We use StitchLabs and love it. It would connect to your eBay store and allow you to create wholesale invoices that would all pull from the same inventory.