You're going to be spending $500+, I garentee you with the price of my life.
Most crawlers your purchase anywhere is a "roller" chassis. This means there are no electronics what so ever. So now you as the consumer have to go out and purchase the TX/RX/ESC/Servos/Batteries and whatever else you see fit.
Tamiya High Lift is one of the best trail rigs out there, however. So at least you have good taste.
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If you're looking for cheap just go with an offroad type RC. A crawler will bust your balls and pockets, everything tends to break eventually due to torque.
