The answer to 'circuit breaker gets hot' is that a hot circuit breaker is often a sign of an electrical problem that needs to be addressed. This can be caused by an overloaded circuit, a short circuit, or a faulty breaker. Symptoms include the breaker feeling hot to the touch, flickering lights, or tripping frequently.
In many cases, a hot circuit breaker can be fixed by reducing the electrical load on the circuit, such as unplugging some devices. However, if the problem persists or you're unsure of the cause, it's best to call a licensed electrician to diagnose and repair the issue. Trying to fix a hot breaker yourself could be dangerous and lead to further electrical problems.