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Flipkart Big Billion Day checkout checklist
A practical checklist for faster Flipkart checkout during Big Billion Day — address, payment, SuperCoins, and when to flip BuyFast ON.
Before BBD starts
Log into Flipkart and confirm your default address is correct. Add or verify your payment method — UPI, card, COD, or Net Banking.
Install Buy Fast and set Flipkart payment preference in the extension popup. Pin the extension so you are not hunting the puzzle menu during a lightning deal.
During the sale
Use price history on the listing to see if the “deal” is actually below recent prices. A high discount tag does not always mean a good price.
When you decide to buy, flip BuyFast ON on the product page — not from the cart. Buy Fast drives checkout from the listing and stops at confirmation.
If checkout stalls
Refresh the product page once if Flipkart throws a session error. Make sure the item is still in stock in your size or variant.
If payment fails, check whether Flipkart changed your saved UPI or card. Report persistent issues via the contact form with steps and your email.