From vintage shops, online (like Retrophoria.com), car boot sales, charity shops, boutiques.
at a resale shop
Vintage clothing is just a style that is more older or retro looking. It is cheaper than the clothing we have today depending if you buy it in good condition and in thrift stores or used places.
go to platos closet relly cheap
Vintage clothing stores, Journey's, Zumies, Pac Sun, online works too.
I have had good luck finding that brand on eBay.
Vintage Levis jeans can be purchased on the Levi's Vintage Clothing website. Their website has a dedicated section to Levi's vintage clothing where one can purchase jean jackets and jeans. They currently have a Spring 2013 collection now for sale on their website, too.
You can find vintage kid's clothing online at ebay.com. Another great site for vintage kids clothing is http://www.vintagetrends.com/vintage/kids.asp.
One can purchase vintage Levi's clothing from the Levi's Vintage Clothing official website. One can also purchase vintage Levi's clothing by visiting the Union Made website and Asos.
You can buy this brand at BJ's wholesale... I just bought an outfit there!
Clothing companies that specialize in vintage clothing and accessories include ModCloth, Femme Arome, and Unique Vintage. A few good places to find vintage clothing include Etsy Vintage, eBay, and of course the local thrift shop.
The best place to go online to buy vintage clothing is eBay.. This site is a good idea because there are always people on the site looking to get rid of old things.
Luckily, the internet has made buying vintage clothing fairly simple. A good website to search for vintage fifties dresses, as well other vintage buys, is etsy.com