If you'd rather not spend much, your best bet is this Vince Camuto Tank. It's a fantastic product, while not very costly. Another great option is this Nike Tank. While the price is competitive, be sure that this piece will become a worthy addition to your wardrobe. You might also want to consider this J.o.a. Tank. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.
If you're looking for something in between pricewise, you're in luck with this Nic+Zoe Tank in stock and waiting for you. You are bound to fall in love with this product. It's also worth taking a look at this Rag & Bone Tank. This item is ultra popular and, just as importantly, not very expensive. Consider this AG Jeans Tank too! Great value for your money.