QA Selling Online

Thanks so much for all the Information you share. Even a bigger Thank you for not trying to sell me something. The best part of your show is when you talk about your family... Thanks I do have a question. I have been selling online with Amazon/eBay for 3 years now. I initially started selling a school item and other small items..  after the 4th qtr the first year, I gravitated towards Toys. I had a good supplier with a Mattel liquidation store in my area. The first 2 years, had doubled up on sales and had amazing 4th qtr with the toys. I used my website as just a landing page to show a business, and when suppliers wanted to see it. The page never was advertised or used for any sales. I have switched from Volusion to a Shopify store, to generate sales on the site.  I have watched and read so much on selling online with eBay, Amazon and Shopify stores. Since the toys have dried up with competition and store closures, I have totality lost direction. I am so Lost and cannot seem to focus on a niche or product to