I have just received the same callThis a legitimate business model for a STR company, but the website raised a lot of red flags and I would not feel comfortable doing business with them.

Is this a common method or not?

Check out this BP article about how they come into play with the BRRRR method.

Strategies like house hacking, the BRRRR method, and long-term rentals have worked well for me.

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. 

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?

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

You can also use the Enemy Method to check the rates of your competitors.

I have investors that I set up loans with private money that only use this method because of the speed.

You can also check online resources like BiggerPockets or Roofstock, which offer general CapEx guidelines based on property type and age.These methods should help you perform a solid preliminary analysis.