Asset purchase agreements can be a useful way to create a new business while leaving unwanted resources and potential issues with the seller. An asset purchase agreement is a written legal instrument that formalizes the purchase of a business or significant business asset.An APA should detail the terms of the sale, including the structure of the purchase price. How Much Does a Asset Purchase Agreement Cost? The average cost (i.e. In an asset sale, the new owner purchases the business's physical assets. The seller retains all rights to the legal entity. Edit, sign, and share Sale of Assets - Asset Purchase - Arizona online. No need to install software, just go to DocHub, and sign up instantly and for free. This agreement defines key details such as the purchase price, payment terms, transfer of assets, and liabilities.