How much does it cost to get a sales and use tax permit in Texas?

Could you please elaborate on the cost associated with obtaining a sales and use tax permit in the state of Texas? I'm curious to know if there's a standard fee or if it varies based on certain factors. Additionally, are there any additional requirements or steps that need to be taken in order to successfully acquire this permit? It would be greatly appreciated if you could provide a comprehensive overview of the process and associated costs.