Blogging works !
when you make your posts to your blog describe what you see in GDI business opportunity, tell them why you believe in Gdi, for example; why would you choose to pay an expensive Domaine name while you could get a cheaper one for your website ? this is the most rejection I ever encountered , people need to see the value you see in GDI ,when they catch your vision, they will run with it . Thanks, hope it helps .
Victor.
God bless.