The INMOTION RS is an extreme-performance scooter built for riders who want very high speed and power, which means high stress on controllers, motors, tires, and brakes. In repair-vs-replace terms, many routine services (tires, brake pads/rotors, suspension checks) are normal and worth doing because they're essential for safety at higher speeds.
The costly repairs are the battery pack and core electronics. If the scooter is under ~3 years old and you're dealing with one major subsystem (for example, a controller replacement or brake overhaul), repairing under the threshold can be justified given the high replacement price.
If you have multiple high-voltage failures at once, recurring electrical faults after water exposure, or any structural damage from a crash, replacement-or factory-level service with warranty-typically becomes the safer, more predictable choice. Pricing referenced from INMOTION's RS product listing with current pricing shown.