Hello Dude. Your first decision would be which variant Boba Fett would you like to make? The 2 main options are either Empire Strikes Back or Retirn of the Jedi.
OK future hunter there is plenty to keep you occupied in the meantime thanks to members such as wizard of flight and RafalFett.
First you should take some time and read previous WIPs (works in progress), these are the posts by members building their own fetts. Learn about the various elements that combine to make a Boba fett costume. These fall into catagories such as.
Each part has its own sometimes intricate paint scheme, details.
You can if you want to jump straight into it make pepakura (paper and card models) which involve photocopying and cutting out paper or card, sticking them together and ultimately painting them. You can for instance make a Fett helmet this way.