When it comes to investing in an ecommerce business with $1,000, it's important to consider several factors such as market trends, potential profitability, and personal interests. Here are a few options to consider:

1. Dropshipping: Dropshipping is a popular ecommerce model where you act as a middleman between suppliers and customers. You don't need to hold inventory, as products are shipped directly from the supplier to the customer. With $1,000, you can set up an online store using platforms like Shopify or WooCommerce, and invest in marketing strategies to drive traffic to your store. Research trending products and find reliable suppliers on platforms like AliExpress or Oberlo.

2. Print-on-Demand: This business model allows you to design and sell custom products without the need for inventory. With $1,000, you can create an online store using platforms like Printful or Printify, and offer customized products such as t-shirts, mugs, or phone cases. Invest in marketing to promote your unique designs and target specific niches, such as pet lovers or fitness enthusiasts.

3. Affiliate Marketing: Affiliate marketing involves promoting other companies' products and earning a commission for each sale made through your referral. With $1,000, you can build a niche website or a blog using platforms like WordPress, and invest in content creation and SEO to attract organic traffic. Join affiliate programs like Amazon Associates, ShareASale, or Commission Junction, and promote products related to your niche.

4. Handmade Crafts: If you have a passion for creating handmade crafts, you can invest your $1,000 in materials, tools, and an online store to sell your products. Platforms like Etsy or Shopify can help you set up an online store specifically for handmade goods. Focus on unique and high-quality items, and use social media platforms like Instagram or Pinterest to showcase your products and attract customers.

Remember, success in ecommerce requires dedication, continuous learning, and effective marketing strategies. It's essential to research and understand your target market, competition, and industry trends. Additionally, consider investing in online courses, books, or joining relevant communities to enhance your knowledge and skills.