I just made Diamond in Vemma this week.
I did so entirely through leads and advertising on Npros.com.
My monthly expenditure is about $130.00 for product and a variable amount for leads and advertising.
First, I recommend the opportunity - there are new products coming out soon as well.
Second, once you exhaust your warm market, you need to expand via leads or advertising. There is no other way to build an organization.
You can try a free sample of the product by clicking here.