What are the advantages of sales tax practitioner?

First, the question is not clear. Do you meant to say what is the career scope as a sales tax practitioner? Then this is a right question. As far as advantage of being a sales tax consultant concerns, you need to have proper qualification (CA/ CMA + LLB preferred). Yes, it gives you good money but

I would like to invite @||Govind_S|| to share his expert comments.