Question for my fellow jinx fans and secret jinx fans

How to buy jinx official merch without your mom knowing? (๑•ㅂ•)و✧ my mom said she'd buy me after reading it but after everyone replied i am scared and my friends also said that she'll get angry and might take away my phone so I want to buy it without my mom knowing i have $112 for now so tell me how to buy it (๑•ㅂ•)و✧ hypocrite puritan bitches skip this post and don't reply mind your own business and go read something else