Wisconsin Statutes Consumer Transactions (Ch. 421 to 429) § 426.108. Unconscionable conduct

(1) That the practice unfairly takes advantage of the lack of knowledge, ability, experience, or capacity of customers.

(2) That those engaging in the practice know of the inability of customers to receive benefits properly anticipated from the goods or services involved.

(3) That there exists a gross disparity between the price of goods or services and their value as measured by the price at which similar goods or services are readily obtainable by other customers, or by other tests of true value.

(4) That the practice may enable merchants to take advantage of the inability of customers reasonably to protect their interests by reason of physical or mental infirmities, illiteracy or inability to understand the language of the agreement, ignorance or lack of education or similar factors.

(5) That the terms of the transaction require customers to waive legal rights.

(6) That the terms of the transaction require customers to unreasonably jeopardize money or property beyond the money or property immediately at issue in the transaction.

(7) That the natural effect of the practice is to cause or aid in causing customers to misunderstand the true nature of the transaction or their rights and duties under the transaction.

(8) That the writing purporting to evidence the obligation of the customers in the transaction contains terms or provisions or authorizes practices prohibited by law.

(9) Definitions of unconscionability in statutes, rules, rulings and decisions of legislative, administrative or judicial bodies.