If you are on a tight budget, your best bet is this WAYF Tank. It's a fantastic piece, while not very costly. In this price range, you can also take a look at this Madewell Tank. It's also a popular item and won't break the bank. Or you can opt for this Karen Kane Tank. This item has all the potential to become a powerful player in your wardrobe.
If you're after a bargain, you're in luck with this Eileen Fisher Tank in stock and waiting for you. You are bound to love this product. You might also want to check out this L'Agence Tank. It's an attractive option both price and quality-wise. And do check out this Willow & Clay Tank! It's a very popular item and good value for money.