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.
Look at sites like ebay and craigslist. They often have bargain items you may be looking for. Also, try your local salvage/vintage clothing or secondhand shops.
The flannel shirt is a must have for any vintage shop as it truly is a timeless piece of clothing. I know the perfect website for you, given your situation and here is the link: http://dustfactoryvintage.com/vintage-flannel-shirts/ Good luck for the future with your new business.
There are numerous online websites where on can purchase clothing labels for kids. Stuck on You, Mabel's Labels, Custom Labels and Bright Star Kids are websites which have these labels available.
There are many places where one could find the latest kids fashion online. One could check online websites such as Old Navy, New Look, and Target for information regarding kids clothing.
http://www.strasburgchildren.com/ is a good website for special occasion clothing for kids. You can find many online.
You can find rough kids clothing at Bonton and the Redup
Yes their are some companies that specially make stain resistant clothing for kids, they are easy to find online. Sweetspot.ca is a good web site.
PBS kids has an online shop where you can buy Caillou clothing.
http://www.juicekidscouture.com is a good site for designer clothing for kids. You can find a lot more online.
A good place to find vintage prams for sale is at Kiddicare. Kiddicare is a company that focuses on kids, hence the name. It has a variety of products which include vintage prams, toys, and more.
When one is trying to find places to shop that carry Hollister hoodies, one might want to visit the official Hollister store online called HollisterCo. The type of clothing that this store carries is the type that teenagers like to wear like t-shirts, shirts, jeans and hoodies (hooded sweatshirts).
One can visit their local clothing shop and ask for reviews on which are the best clothing for kids. Most local merchants have somewhat of a base knowledge of clothing.