The following link will take you to a page that lists men's sweaters and vests in several styles and colors, many of them at clearance prices. http://www.binarycompass.org/men%27s-sweaters-%2F-vests/
Ralph Lauren's sweaters' prices can range from fifty dollars to up to 100 dollars. The prices depends mostly on the design and what the sweater is made of.
Tommy Hilfiger sweaters can be purchased from a number of retailers, all at reasonable prices. Macy's offers Tommy Hilfiger sweaters both in their stores and online. Tommy Hilfiger's website sells their own products as well.
American Eagle makes sweaters for men and women in multiple styles, colors, and patterns. Average prices range from $29.50 to $69.50. Many sweaters have an eagle embroidered on them.
There are many popular brands for boy's sweaters. Lands End is one, as is Gap or Ralph Lauren. Many popular brands would likely have sweaters for young boys as well as adult clothing.
The popular clothing store the GAP is a great place where one can find sweaters for petite individuals. Other such places include Macy's or Lands' End.
Many different retailers carry a wide range of juniors sweaters. These retailers include H&M, which offers many stylish sweaters. Also, Beso offers junior sweater as well at relatively low prices.
Argyle sweaters can be found at local stores such as J. Crew, Banana Republic, THE LIMITED, and other stores. One can look on Amazon or eBay to find Argyle sweaters at discounted prices.
There are several great places out there for different kind of Holiday sweaters. One example would be the famous "Ugly Sweater Store". This one has different kind a sweaters for reasonable prices. Additionally also major retails stores have Holiday seaters in stock, for example Macys or UrbanOutfitters.
The vast majority of large and well known retailers should have wrap sweaters at reasonable prices. Some examples might be Splendid and ShopStyle, as well as Amazon.
Eileen Fisher sweaters can be purchased through Saks for as expensive as $300. Even on sale, most prices are only down to the early $200's, but they can sometimes be found for up to 80% off.
Depending on where you want to purchase a Gap dress at prices will vary quite a bit. There are Gap dresses available online for as low as ten dollars.