Details: Shirt ($3.99), camisole ($1.99), and skirt($2.50), thrifted; shoes (unknown, under $10), Target; necklace, gift. Approximate outfit cost: $18.48 My brother bought me this necklace. I rarely wear it, since its chain is quite long and I prefer my necklaces to fall just below my collarbones. But the neckline of this shirt is perfect for…