I have some basic questions I would like to have answered.

I don't think there's a right answer but you need to know what you are doing.When you take multiple applications at the same time and then pick the "best" from the pile, you run a real risk of a discrimination complaint.

The link then goes to FB messenger and starts the process from there.So to answer your question, yes the link goes right on my listings page.

To answer your question without additional irrelevant info I would save the money and place them myself. 

So the answer to your problem is... 

I have tried google, but dont quite have the answers I was looking for. 

Good answer from Brandon.

Going forward, you may want to do so, and just absorb it into what you market for rent when you have your next vacancy.In the meantime, no one can really answer exactly, as @John Spurlock pointed out exactly - we do not know what is in your lease.

Note that this answer is typically state specific.

No one has the ability to tell you what will happen tomorrow or next month in real estate, but depending on how you answer the questions above may affect the advice I would give a client.