I rented out the additional bedrooms to friends and family, charging them well below market, and sold when it was time for my wife and I to start our own adventures.

Additionally, do you have any other ideas or strategies that might help achieve his goals without incurring a tax liability?

Let me know if I can provide any additional tips or resources to help.Best regards,Sadler Surratt 

In most single family zoned areas adding a single ADU is not a value add meaning it will not add more value than the hands off cost of the addition.  

The loan will be on the additional collateral you created.

I would appreciate any insights and additional things I may be missing.

Keep existing and add an additional -~2000 sq feet 3.

This is straight from the CFPB website: "Additionally, for 60 days from the date your loan servicing transfers, your new servicer cannot charge you a late fee or treat the payment as late if you sent it to your previous servicer on time or within the applicable grace period."

Additionally in terms of a GP/ LP relationship, would preference of LPs create the same dynamic in choosing one GP/Sponsor investment over another, if all technicals and numbers are the similar between two investment?

I think they contain solid information and will help lay a good foundation as a beginner (Haha, I'm completely new to real estate as well, btw)I'm also going to be reading the following books, and hopefully I can finish all by the end of this month:1) The ABCs of Property Management2) The Advanced Guide to Real Estate Investing3) Long-Distance Real Estate Investing How to Buy, Rehab, and Manage Out-of-State Rental Properties (this might be the most important one to me personally)4) The Book on Investing in Real Estate with No (and Low) Money DownIn addition to reading, I'm consuming crazy amounts of youtube videos, and I'recommend you do this as well.