You've received a wealth of wonderful advice here.

You can google or search on BP for definitions of cash on cash, cap rate, etc.

I was wondering if anyone had any recommendations on how to calculate a relatively accurate 5 year rent growth for a market?

Scaling well can make things more interesting, but putting good people around you would definitely help. 

I live between Somerset and Middlesex counties, so I’ve definitely noticed how tight the inventory can be.

However, given the way interest rates have gone, I wonder if it is still viable to do the BRRRR in 2025 on homes purchased in 2020, or 2022, given that you are probably giving up favorable interest rates when you do your refinance for current rates.Is the BRRRR more feasible when your refinance occurs at a similar interest rate as the rate at which you purchased the property?

Definitely helpful.I got a lawyer who did overcharge me a bit but the tenant left the property spot clean.

I'm wondering how do you all screen your tenants?

The advice I have received is that HELOC’s should be used for short term loans only with a definite plan to pay it off. 

I've wondered that myself and thought: If an investor was looking for birddogs why would the birddog have to pay the investor money before they began securing leads for the investor, that the investor would then in turn give the birddog an investor's cut on the profit end???