In Semantic Mastery's weekly Hump Day Hangouts episode 206, one viewer asked how to increase the power of drive stacks.
The exact question was:
I bought your drive stack (through SerpSpace) based on recommendations here and on FB. it's been about 3 weeks and I don't see much (if any) of a boost. I feel like I must be missing something. Is it too soon? What can I do to increase the power of the drive stack?