Airbnb entitles for cash rebate?

thanks

any idea on the process of applying a supplementary card?

P/S - I already have Principal card with me...thought of getting one supplementary for my mom.

For Visa Signature supplementary card, the cash back is combine with Principal or by its own.

Me as a principal has maximise my cash back and I noted there is a cash back in my supplementary card statement @@