Ordered a defective product on line can I return it to the store?

You can return it at store if it was a Wal-Mart product ordered on line but if just ordered thru the Wal-Mart site on line then it would depend on the seller which is not always Wal-Mart itself in which case you would have to contact seller.

If you don't have a receipt they will give you a Wal-Mart gift card for the price of the product

Yes you can as long as you return it within 30 days or however long the return policy is

Yes

Yes with recipe it will be easy

I would think you could.