How do interest-free promotional periods work?|Investment Forum|Forum on Investments and Cryptocurrency.|Allcryptoanswers

Interest-free promotional periods, which are 0% introductory APRs, are limited-time offers that allows the buyer to avoid interests for a set period of time:

Interest-free promotional periods work in a way that when one pays off the balance in full on or before the due date, there will be no interests charged on purchases made during the period of promotion.