What would happen if they took your stuff and fire you after 2 weeks? E.g., they do not sound like they are paying at all for your assets - what are they paying

What would happen if they took your stuff and fire you after 2 weeks? E.g., they do not sound like they are paying at all for your assets - what are they paying for? Employing you as an engineer? The niche product you are offering? What you describe raises so many questionmarks and red flags tbh.