I market CPUs that I think will receive a high score. I do one to four large campaigns (depends on how much money I have) at the very beginning of the design process, only if I have over $1M.
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I can get an average rating of 98 on my CPU's at end of the game most are at 100 since I'm always far ahead of my competitor's in R&D Although on Medium I have a hard time staying over 500K cause I'm ahead of R&D would it be better to throw out another of the same CPU just to earn extra money and by big do you mean billboards and tv cause I found that 4/5 of the marketing campaigns if all used at same time ends up in a loss