There are several affordable ecommerce platforms available in the market, each offering different features and pricing structures. The most affordable ecommerce platform depends on the specific requirements and budget of the business. However, here are a few popular options known for their affordability:

1. WooCommerce: WooCommerce is a free, open-source ecommerce plugin built for WordPress websites. It offers a wide range of features and extensions, allowing businesses to create and manage their online stores easily. While the base plugin is free, additional costs may include hosting, domain registration, and premium extensions or themes.

2. Shopify: Shopify is a popular ecommerce platform known for its ease of use and extensive features. It offers a range of pricing plans, starting from $29 per month for the basic plan. While this may not be the cheapest option, it provides a comprehensive solution with hosting, security, and support included.

3. BigCommerce: BigCommerce is another feature-rich ecommerce platform suitable for businesses of all sizes. It offers various pricing plans, starting from $29.95 per month, which includes hosting, security, and support. BigCommerce also provides a 15-day free trial to test its features before committing.

4. Square Online: Square Online is a budget-friendly ecommerce platform that integrates with Square's payment processing system. It offers a free plan with basic features, while the paid plans start at $12 per month. Square Online is suitable for small businesses or individuals looking for a simple and affordable way to sell products online.

5. Ecwid: Ecwid is a versatile ecommerce platform that allows businesses to sell across multiple channels, including websites, social media, and marketplaces. It offers a free plan with limited features, while the paid plans start at $15 per month. Ecwid is a cost-effective solution for small businesses or those looking to add ecommerce functionality to an existing website.

It's important to consider factors beyond just the pricing when choosing an ecommerce platform. Features, scalability, ease of use, design options, integrations, and customer support should also be considered to ensure the platform meets the specific needs of the business.

Note: The pricing mentioned above is subject to change, so it's always recommended to visit the respective platform's website for the most up-to-date information.

References:

• WooCommerce: https://woocommerce.com/
• Shopify: https://www.shopify.com/
• BigCommerce: https://www.bigcommerce.com/
• Square Online: https://squareup.com/us/en/online-store
• Ecwid: https://www.ecwid.com/