While Shopify itself does not require a business license, your local, state, or national regulations might. It is essential to research and understand the licensing requirements in your area before launching your store.

Focus on unique branding, high-quality product photography, detailed descriptions, and exceptional customer service. Also, leveraging social media and SEO can help increase visibility and set your store apart from competitors.

Popular options include Shopify Payments, PayPal, Stripe, and Square. It is important to offer multiple payment options to cater to a broader audience and increase conversion rates.

Use sturdy, protective packaging, such as bubble wrap and packing peanuts, to prevent damage during transit. Consider offering insurance on shipping and using carriers that specialise in handling fragile items.

Yes, Shopify allows you to sell internationally. However, you need to consider shipping costs, customs regulations, and currency conversions. You may also want to provide language and currency options for international customers.

Shopify offers built-in inventory management tools that allow you to track stock levels, set up alerts for low stock, and manage multiple variants of a product. You can also integrate third-party inventory management apps for more advanced features.