They charge $160 for photos.https://www.wowvideotours.com/services/

I think they charge around $1,500. 

Finding how much you are charging on other platform and what is your occupancy rate.Of course the platform is always more friendly toward the buyers because that is where the money is coming from.

Report him to your local licensing boards as well as make police reports, even if not a realtor he will get large fines and potentially criminal charges. 

The first thing I'd recommend is focus on a market where you either 1) currently or have previously lived, 2) have family/friends that live there, or 3) travel to/vacation there frequently.

Quote from @Miguel Del Mazo: It basically says that if the electric bill is twice what the same month's bill from last year was, the overage will be charged as a fine.That's a good barometer actually.

As an incentive for her to pay on time, can I charge her a late fee after 5 days from the due date and can I charge her for every day she's late?

We are also working on export to Word doc functionality for the SOW which will allow you to export the SOW to Word so you can make additional customizations.I'm a bit of a perfectionist and still want to improve the functionality of some of our tools before we start charging for the software, but I think we will likely be ready to officially launch sometime in April. 

I charge fees that create additional income.

In my market there is only so much you can charge for a house.