Socialism

To answer the "are you a boss" question the answer is kinda, but yhat's the idea of socialism. Everyones a boss. The idea is against non-workers owning the industry, and ensures workers have control over it. If you see an issue with your suggested practice I understand but I'll clarify it' not anti-socialist. At your scale, with the other options available, I can only see your option being a better one.

I think you see the possible issues inherent in renting as well as the coercion in it. There's certainly ways in which one can exploit the relationship. As long as you're not doing so however there's no moral flaw. In fact, on an environmental note you're likely helping. If you're undercutting the massive industry and treat those who rent from you well you're doing them a kindness.

Of course, one can do evil here, but understanding that and actively making effort not to do so is a good place to be in. All economic activity can cause harm no matter the system. As a socialist, I believe that when more people with a stake in the work have control over industry the outcome is better