If you are new to the sport DO NOT GET AN S2000!!! You are not quick enough to drive that gokart. And for you FF aspirations. You will put too much into into it to be worth while. In the end you'll have a car that sucks. Keep the FF for AutoX, great idea. Just don't slide it. I know from past experiences. So don't defend your FF drift dreams because it won't happen. If you have $12k to spend buy a $5k car and put $7k into it and you'll be fucking happy with yourself. There's a bit of nice rwd cars for $5k. Just look. Before you buy make sure there is non-expensive aftermarket support. I'm not talking about Ground control shock sleeves, but good quality inexpensive parts.
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If you have three quarters, four dimes, and four pennies, you have $1.19. You also have the largest amount of money in coins without being able to make change for a dollar.