You can change your order aslong as it has not changed the status from 'Processing' to something else.
The Standard Delivery will be delivered between 3 PM to 6 PM. There might be some factors affecting the delivery time and driver availability stands on top.
Yes, you can. Wallet is mainly used to add money if you are not sure about the pricing of the item you order. Also, any excess amount paid to purchase the item will be reverted back to the Wallet.
Estimated Price is the approximate value of the item to be purchased. Excess amount paid will be reverted back to the customer's Wallet.
Wallet amount will be transferred to users account in 24 - 48 hours after submitting the request.