You can be sued by the landlord. Your landlord may refuse to renew your lease and you will have to relocate which may lead to temporal or permanent business failure. You can [...]
There is a law that governs both the landlord and tenant. You as a tenant can always seek help in the courts of law.
Yes. The landlord can evict you if you have rent arrears and the two of you are not able to agree on a payment plan.