Check out the different Forum Categories here as they can answer a lot of questions you have just reading through.

The 10k is the difference in the points.With lender 1 will cost 10k more in points.Lender #2 is kind of unknown.

This Wikipedia page gives different wall types and how well they block sound.  

Then look at different REI to scale to that number.  

I’d be more than happy to hop on a call with you to discuss the different areas and explore how you might make it work.

I don’t see much difference either.

Do I have to legally disclose to my boss that I will have my sales agent license and have a brokerage sponsor that is someone different outside the MF development company?

I've even seen agents that will finance repairs with a lien to maximize sales price for their seller.Who you work with matters and will mean the difference between a quality BRRR that cashflows or a property that doesn't work.I love to talk real estate.

It is a bit of a different animal.

Multi family properties on the other hand tend to be more lucrative with numbers, especially if you are open minded to different strategies.