You can buy a kit for upholstered headboards for bed kits. I would recommend asking the salesmen at the local mattress store which brands and types are the best.
Upholstered headboards for beds are made out of multiply materials. They're made of different fabric (which varies from the type you buy), steel frame, and the wood that it's made from (it can vary.)
Prices can definitely vary. For an average headboard you're looking for a price of 150$ to 300$. Although if you go to a yard sale or a cheap site like Ebay, you may find an even better price.
Several sites online sell bed headboards and frames at discount prices, or you could try a large retailer such as Wal-Mart. Another option is to buy from secondhand stores.
Yes there are. It tells you how to assemble and measure your bed so the headboard will fit correctly. It tells you how you must staple the frabric and the sheeting. It lets you know that you can trim...