You mean like Heritage? Where consignors and employees are allowed to bid on items? It's in the rules and allowed in the state of Texas so no problem there. You shouldn't be worried because it's ok with Texas.
Other Texas laws that seem completely reasonable:
You may not shoot a Buffalo from a 2nd story window.
You may not milk another man's cow.
You can be legally married if you introduce a person as your husband or wife 3x.
