Shopify is the preferred choice of ecommerce store owners globally. However not all work on your estore can be managed by you. As most of them are time consuming add eats your core resources thereby affecting your growth . The best way is to outsource the shopify back end management services to reliable offshore vendors . This may include Shopify product upload and data entry services, stock management and more. One thing to understand is that always outsource to a company and never to freelancer as companies have better process to manage work on long term basis.