Badge & Uniform Requirements can be found at some of these wonderful site: Boy Scouts of America and Boy Scout Trail. Below we have given some quick links to answer some of your more immediate questions:
Cub Scout and Webelos Scout Insignia
Cub Scout Rank Requirements
There is a wonderful lady by the name of Laverne Cleary that runs a uniform exchange. All she asks is that you bring something to trade in exchange for something you need. Laverne can be reached at 248-644-7327. Her address is 31330 Cline Dr, Beverly Hills, MI.
The Pack has some uniform parts available for those that need them. These can also be used to get what you need from Laverne.