Case Studies, they are pretty impressive as far as lead generation and closing sales goes. Considering an average Case Study costs $500, but can convert 10-20 prospects to clients, they are an exceptionally cost affective tool in your marketing arsenal. Unfortunately, for many technology businesses, the Case Study is thex.Case Studies, they are pretty impressive as far as lead generation and closing sales goes. Considering an average Case Study costs $500, but can convert 10-20 prospects to clients, they are an exceptionally cost affective tool in your marketing arsenal. Unfortunately, for many technology businesses, the Case Study is thex.