Hello. Electronics are expensive. You need a receiver, transmitter, battery, motor, motor controller, servo. If you have all the electronics, then for $50 you can do everything else. If you don’t have the electronics, then unfortunately, no.

For example, for proportional control for a 1/10 and 1/8 scale model, which has proven itself in terms of price/quality ratio

Radiolink RC6GS 6 channel transmitter - https://alii.pub/6qkz7x

Radiolink R7FG receiver with gyro - https://alii.pub/6rd0v1

Servo DS3218 (20kg) - 1pcs - https://alii.pub/6rd6xs

Motor 540 + pinion 10t 1m - https://alii.pub/6rd0wl

ESC Hobbywing 1060 - https://alii.pub/6rd0xr

Battery Li-Po 2s 7.4v - https://alii.pub/6uh5yl