Do Accessories Increase the Value of your Harley-Davidson?

Most riders love to customize their Harley-Davidson. It's easy to get carried away in spending serious coin to make upgrades and modifications to your motorcycle. What happens, though, when a new bike model is released that you HAVE to HAVE and all the sudden you find yourself looking to sell your old bike? Are you gonna get back all the money you spent in upgrades? What can you expect to get back based on how many and what type of modifications you made to your Harley-Davidson? Find out from...