Answered question
I am newcomer and my bank credit will be ready for 10 days , so i want to buy your sim with pay by cash , where can i do it ?
According to Fizz, you can only pay by credit card:
https://fizz.ca/en/faq/what-payment-methods-can-i-use
They have no physical offices.
Other answers
No, online ONLY!
Fizz is all digital, payments included.
You can not pay your Fizz account by cash.
Not a Brick an Mortar company ....