The sale of an eCommerce business involves unique challenges. Understanding the key elements to tackle can help make the process easier.Our Dallas lawyers help draft enforceable eCommerce agreements for use with websites, software applications, and other technology and inventions. To qualify as a buyer, you'll need to complete the form below and provide your qualifying documents. Sale and supply agreements vary in length and complexity depending on a variety of factors, such as: ∎ The relationship between the parties. Our fulfillment center in Dallas, Texas, is here to deliver exceptional customer experiences. Sample Business Contracts.