I see you mentioned the BRRR method, here's a nice breakdown of it here on Bigger Pockets.   

Now he tells me that paypal is restricting the amount and frequency of his withdrawals and wants me to wire him my monthly payment.   

Here are a couple of methods of pipe replacement that I am aware of you might be interested in looking at.https://www.youtube.com/watch?

Is this a common method or not?

We are a team of five employees, and our work involves renting land for a number of years, designing and developing buildings, and managing them—including renting and maintenance.It’s an exciting yet challenging new chapter in my professional journey, and I’m eager to learn and grow alongside all of you.One of my key goals is to modernize our company’s workflow, which is currently reliant on traditional pen-and-paper methods. 

If LL uses accrual method, they can book revenue without receiving.  

If one method of communication (email in this case) doesn't work, you need to try another way (phone call). 

Sorry for the questions just curious about your method since it seems different than most.  

Before this purchase, I had two other properties under contract but had to withdraw due to unfavorable inspection results.

If I did the BRRRR method would this work out perfect?