A “contract to hold” binder payment equal to a month’s rent would also be collected at that time.

If she doesn't pay the bill refuse her next rent payment and evict her. 

Show the lease agreement, show his rent payment history, and show any written evidence from the tenant that he admits to being late/unpaid.

You can also send payments to credit card whenever you have spare money.

It isn't the metric you can talk about on a national scale, but if you keep buying the same product in the same area it is a very easy quick and dirty method to know how you are doing compared to other buys. 

My interest are house flipping and the BRRRR method.

I've done various methods and would be happy to connect and knowledge share if you are interested.

BUT there have been 24 late payments with the last late payment made in Nov 2024 and  0 paid on time.

You could offset your mortgage payment on a bigger house with the cash flow from the rental. 

What type of transaction fees should I be looking to pay and is there a down payment required?