For an extreme budget build get the eBay ESC Single, a sensorless 200+kv 6364 motor, run a 6s battery pack with x2 3s 5000mah Lipos (at least 30c), XT90s loop key, caliber 2 trucks, flywheel clones and a budget/used deck. I’ve build this deck 3 or 4 times and its usually under 400 bucks US.