You will be surprised at how easy it to make your owns bows. This skills has come in handy so many times: decorating for Christmas, showers, weddings, proms and other parties.
All you need is wired ribbon and floral or crafting wire. I can buy a 75 foot roll of wired ribbon (on sale) for about 3 bucks and get 10 bows out of it. The wire is about $2.00 and lasts a long time.. way more than 10 bows.
Bows range in price, but I'd say, on average, a bow like this costs about $6.00. You can make TEN of them for less than $5.00. That's good math. AND it takes about 4 minutes (or less) to make a bow.
I made a DIY video for making bows. I think it's pretty easy to follow despite the fact that my children are making a racket in the background in parts of the video. Here it is: