Best online stores & selling products

When it comes to making money online, selling products or promoting affiliate links, one thing matters most — knowing what people are already buying.

You don’t need to reinvent the wheel. You need to understand which online stores dominate the market and what products customers can’t get enough of.

This guide breaks down the best online stores in the world and what products are selling fast on each one. You’ll also learn how to turn this knowledge into cash — whether you’re running a blog, starting a YouTube channel, launching an ecommerce store, or using affiliate marketing.

Why It’s Smart to Watch Top Stores

Successful businesses pay attention to data. The biggest online stores spend millions researching what people want. Their top-selling products are based on sales volume, not guesswork.

If you know which products sell best:

• You can promote those products as an affiliate

• You can source and resell them for profit

• You can create content that attracts buying traffic

This eliminates trial and error. Instead of hoping your product sells, you promote what’s already working — and ride the momentum.

Best Online Stores and What They Sell Most

Here’s a breakdown of the world’s top online stores and the products that generate billions in sales for them. These stores set trends, shape consumer habits, and provide insight into what people value most right now.

1. Amazon

Location: Global
Monthly Traffic: Over 2.7 billion
Known For: Everything — from groceries to high-end tech

Top-Selling Products:

• Electronics: smartwatches, earbuds, phone accessories

• Home and kitchen tools: air fryers, organizers, storage

• Books: especially business, self-help, and children’s titles

• Cleaning supplies and household essentials

• Pet food and accessories

How to Use It:
Promote Amazon products using their affiliate program. Focus on items in high-demand categories. Use the “Best Sellers” section for fresh product ideas.

2. Walmart

Location: United States, Mexico, Canada
Monthly Traffic: Over 500 million
Known For: Affordable everyday goods

Top-Selling Products:

• Groceries and packaged foods

• Baby items: diapers, bottles, formula

• Budget electronics

• Health and wellness supplies

• Cleaning and personal care items

How to Use It:
Use Walmart’s affiliate program to promote budget-conscious bundles. Include Walmart links in guides, parenting content, or home care tips.

3. eBay

Location: Global
Monthly Traffic: Over 700 million
Known For: Auctions, used and refurbished goods

Top-Selling Products:

• Refurbished phones, laptops, cameras

• Collectibles: trading cards, vintage toys

• Car parts and tools

• Sneakers and streetwear

• Gaming consoles and accessories

How to Use It:
Use eBay to source products or promote deals. Great for content focused on bargain hunting, flipping, or niche hobby communities.

4. AliExpress

Location: Global (based in China)
Monthly Traffic: Over 500 million
Known For: Cheap gadgets, clothing, and lifestyle items

Top-Selling Products:

• Phone accessories

• Skincare tools

• LED lights and gadgets

• Budget fashion

• Home organization tools

How to Use It:
Perfect for affiliate marketers and dropshippers. Promote quirky or trending gadgets on social platforms with impulse-buy appeal.

5. Shein

Location: Global
Monthly Traffic: Over 400 million
Known For: Affordable fast fashion

Top-Selling Products:

• Women’s clothing

• Fashion accessories

• Loungewear and activewear

• Matching sets and seasonal outfits

• Makeup tools and bags

How to Use It:
Shein affiliates can earn by promoting fashion content. Outfit inspiration, shopping hauls, and style tips work well, especially on Instagram and TikTok.

6. Best Buy

Location: United States and Canada
Monthly Traffic: Over 150 million
Known For: Consumer electronics and appliances

Top-Selling Products:

• Laptops, TVs, tablets

• Smart home devices

• Headphones and audio gear

• Gaming accessories

• Kitchen appliances

How to Use It:
Best for tech content creators. Compare products, review gear, or write “best under $500” lists using Best Buy affiliate links.

7. Apple

Location: Global
Monthly Traffic: Over 200 million
Known For: Premium electronics and accessories

Top-Selling Products:

• iPhones

• AirPods

• MacBooks

• Apple Watch

• iCloud and digital subscriptions

How to Use It:
You can’t directly affiliate with Apple for hardware, but you can promote Apple-compatible gear like cases, docks, and accessories through other platforms.

8. Temu

Location: U.S., Canada, Australia, Europe
Monthly Traffic: Over 200 million
Known For: Super cheap everyday items

Top-Selling Products:

• Home tools and gadgets

• Pet products

• Fashion accessories

• Personal care items

• Craft and gift supplies

How to Use It:
Temu’s affiliate and referral system works well for TikTok, YouTube Shorts, and unboxing videos. Short-form video drives conversions fast.

9. Etsy

Location: Global
Monthly Traffic: Over 400 million
Known For: Handmade and custom goods

Top-Selling Products:

• Personalized gifts (mugs, jewelry)

• Wedding and event décor

• Printable downloads (planners, templates)

• Crafts and home décor

• Pet collars and baby clothes

How to Use It:
Promote high-margin digital or handmade products. Create content around gift guides, creative hobbies, or life events like weddings.

10. Shopify (via Independent Stores)

Location: Global
Monthly Combined Reach: Over 1 billion visitors
Known For: Niche ecommerce stores

Top-Selling Products (on Shopify stores):

• Skincare and beauty tools

• Fitness gear and wearables

• Pet products

• Digital products (ebooks, templates)

• Trendy fashion

How to Use It:
Use tools like Sell The Trend to find trending Shopify items. Great for product research, dropshipping, or affiliate tie-ins.

Bonus Stores Worth Watching

These stores rank high regionally or in specific product niches:

If your audience lives in these regions, use stores they already trust. Look for regional affiliate programs, or match product trends with Amazon alternatives.

Product Categories That Sell Everywhere

Across all these platforms, certain product categories appear over and over. These are your go-to opportunities:

If you’re unsure where to start, choose a niche in one of these categories and study what’s trending in the best stores.

How to Turn This Info Into Income

Now that you know the best stores and products, here’s how to take action:

1. Join the Right Affiliate Programs

Pick affiliate programs based on your audience’s region and the store’s payout. Some examples:

• Amazon Associates (global)

• Walmart Affiliates

• AliExpress Affiliates

• Shein Influencer Program

• Temu Affiliate Program

• Best Buy Affiliate Network

• CJ or Rakuten for Etsy, Wayfair, and more

Use localized links to increase conversions.

2. Build Content Around Best Sellers

Create blog posts or videos like:

• “Top 5 Air Fryers Under $100”

• “Best Skincare Tools Trending on TikTok”

• “Amazon Pet Supplies You’ll Use Every Day”

Link to the exact products on high-performing stores. Focus on solving a problem or making a choice easier.

3. Launch a Niche Store or Landing Page

If you want to go beyond affiliate links, build a Shopify or WooCommerce store using insights from this list. Pick 3–5 high-selling products and test demand.

Pair the store with SEO content, Pinterest pins, or short-form videos.

4. Use TikTok and YouTube for Fast Reach

Many bestselling products go viral on visual platforms. Use trends from Temu, Shein, Etsy, or Amazon to create short video content that shows real use or results.

Add your affiliate link in bio or description.

The best online stores in the world are your free research tool. Use their bestseller lists, category filters, and real-time product trends to guide what you promote or sell.

Start with:

• A category you care about

• A store your audience shops at

• A product that solves a clear problem

Then create content, join affiliate programs, or build a store around it.

You’ll skip the guesswork and start building a real income stream based on what’s already working.