Hello all.. I need a quadcopter in around 8k (without lipo and tx/Rx). If anyone is having and is willing to sell, please WhatsApp me at 7680931939. I also need a traxxas or hpi racing car in around 10k.

Well you can get this combo from quadcopters.com http://www.quadkopters.com/product/st360-kit/ or this one http://www.quadkopters.com/product/arf-525-kit-with-kk-2-1-controller/
If you are getting the first one get 4 of these also http://www.rcbazaar.com/products/2427-avionic-simonk-20amp.aspx or one of this http://www.quadkopters.com/product/hobbywing-20a-skywalker-quattro-20ax4-ubec-4-in-1/also you are gonna require a flight controller I would suggest this one http://www.quadkopters.com/product/cc3d-openpilot-flight-controller/ although everyone says that get this flight controller http://www.quadkopters.com/product/kk2-1-multi-rotor-lcd-flight-control-board-with-6050mpu-and-atmel-644pa/.

For Car
You also have an option of kyosho from rcdhamaka
http://www.rcdhamaka.com/index.php?main_page=product_info&cPath=82_83&products_id=1608  http://www.rcdhamaka.com/index.php?main_page=product_info&cPath=82_83&products_id=1610

best of luck with your purchase.