I'm going off the understanding that you still need to spend 500+ hours in the business to achieve material participation (please correct me if I'm wrong). 

In the latter case, I would still use QB to enter info provided by the 3P servicer and to maintain my general ledger for the lending business.

I'm really busy with my w2 job working all the time to fund my investments. 

This is the BEST $100 you will ever spend, and if you listen to Amanda Han's tax book, you'll know it's also likely a business expense for you to write off :) https://biggerpockets.supercast.com/My perfect way to learn from the BP books is to listen to the audio book through the subscription above, then books that really stand out to me I go old school and get the physical copy so that I can re-read it, take notes in the margins, and put post it notes so key points are easier for me to re-reference in the future.

I am seeking advice of what to do with the money from someone who exit the business and successfully got similar income and appreciation of capital.

Quote from @Francisco Solano: I suggest you ask a business attorney in your state for this basic template.

I’m looking to start a discussion on the best systems and tools brokers are using to efficiently run their business.

🔄 The Side-Hustle Timeline: How to Build Your RE Business While Working 9-5Ever feel like your W2 job is holding back your real estate dreams?

Business loans typically won't let you purchase a property if you read the fine print.

I'm not thinking of 'scaling' my business by becoming a 'passive investor' in someone else's business.