If you're on a thrifty mission, your best bet is this Soprano Tank. It's a fantastic piece, while not very costly. Another great option is this Lush Tank. While the price is rather reasonable, be sure that this piece will become a worthy addition to your wardrobe. You may also want to look at this Daydreamer Tank. This item is not expensive either, but it will make a difference in your wardrobe.
If you're a bargain hunter, we've got your back with this Ming Wang Tank. This product is likely to become a total wardrobe staple. Also look at this Falke Tank. It's an attractive option both price and quality-wise. And do check out this Neiman Marcus Tank! It's a very popular item and good value for money.