Landlord Tenant

What should I do if my tenant damaged the smoke alarm?
My lousy tenant shot his smoke alarm during a fight with his friend. I had sent him a notice to fix it asap, but he has budged. What do I do in this situation?
Can my brother use his security deposit to cover unpaid rent?
My younger brother blew all his money gambling and has no money to pay his rent for the month. Can he request the landlord to adjust the unpaid rent with the security deposit, considering it as a security for such defaults?
Can I rent a place in Texas for a few months after surgery?
I am a resident of New York but am planning to undergo a surgery in Texas. Is it possible to rent a place for less than a year, preferably three to four months to recuperate?
Can I evict my tenants for threatening me without facing retaliation claims?
I have, unfortunately, ended up renting out my property to two uni students who have started acting up recently. One of ‘em outright threatened to harm me when I questioned their unbecoming behavior. If I evict them, will I be held liable for retaliation?
What is the maximum number of adults allowed to rent my upper portion?
I lost my job recently and now I am surviving doing odd jobs. I am still on the lookout for a full-time job. , I was thinking to renting the upper portion of my house so that I can earn some extra bucks. I have one room and small kitchen in the upper portion. What is the maximum number of adults that can be allowed to occupy the rental premises?