Generally, contracts are also signed, mostly for three years. After signing, the company asks you to perform, you go and get paid once a month.
No part-time job is needed. They are relatively free, but there are few opportunities for performance. I am a part-time job and have seen many professional models. That's the truth.
There are fewer male models and less competition, but there are fewer job opportunities for male models. ...
You should consult the person who called you carefully. Formal modeling companies are still possible. If there is no other permanent job, eat for a few years first!
There are also boys in our school who go out to be part-time models. The treatment is ok, mainly because they are not tired and much more relaxed than female models. Take a walk.
Like you, if you don't want to make a splash in modeling, let the world know, or treat it as a job for the elderly, you don't need any understanding at all. Those are the quality requirements of top models.
It is better to have other freelance and part-time models.
But it's very profitable to be a plane model now ~