Can a landlord tell a parent that is separated from his spouse that he cannot have his kids visiting him

The rights and obligations here would depend on the details of the lease. In general when someone is a tenant they have the right to possesion...

Am I in breach of rental (commercial) lease?

The specific rights and obligations should be outlined in the lease and that would control. First if you were buying the bar it is reasonable to...

What should I do??

Speak to a local tenants attorney, they may have breached thier duty to provide the place in a timely or habitable condition, but only a complete...

Can I sue my previous landlord for false statements to my clients

You need to find a local attorney. No one is going to be able to address these issues long distance. If any of this could be proven then you...

Can a landlord live on the property I rent without consent or without any prior notice in the lease?

There are a lot of issues here with not really enough detail to respond on any. You need to directly consult a tenants attorney in your...

Contact a local attorney. Given some of the details it may be that you can hold them liable.

Can my landlord serve me a 3day notice to pay or quit when my lease states I have 10 calandars days after the 1st to pay rent?

If you read it closely you will likely see that it says... Rent is DUE on the 1st of the month. (Meaning anyday after that it is late) It may...

Landlord charging $1,119 for "damage" that occurred after I turned in my keys

You can dispute the deduction in court but based on what you have said it might be tough.

My tenant is late with rent. What are the costs and process to give notice and evict?

Here is a link that discusses the evictions process and has other useful...

How do I file a summons or complaint to do the final eviction step to tenants who have stopped paying rent and a living for free

So you are the rental management agent for the LL? Dont you think that professionally you should be well aware of the eviction process? This seems...