It may be best to find a professional management to assist until you learn what management entails, enough to make a decision on if you wish to self-manage or not. 

I am trying to support them by finding investors to assist in buying lots and financing  their construction.I am familiar with the actual development side, but not so much with the investing and deal making (that's why I'm here to learn more), when I connect a builder with an investor, what would be a fair price to charge so I am compensated for my effort.

Is there an architect who can assist with this project or please advise me what I need to do to get my project move forward?

Any possible assistance plus advice on trying to make my first wholesale would make a big difference.

Maybe work in the RE business somehow; lending, assistant to an agent, the trades or start your own business like lawncare or landscaping to generate money.

Another thing to know is that there are many people who will be more than happy to assist new investors like you - but with less than fiduciary intentions.  

On average you will need around 5K with sellers assist, 10K without for a home over 100K.

This is pretty important if you own property…but it can also provide assistance for your tenants too.When an area of the country is declared a Federal Disaster Area this opens up Federal Assistance for the residents of that area.

But since I'm a First-time homebuyer, I believe I can get at least 10k in down payment assistance.

The outstanding balance after 5 years (60 payments) will be approximately $364,814.The buyer would need to pay this amount at the end of the 5-year term, typically through refinancing or other financial arrangements.Using the Promissory Note for Financing in Florida:The promissory note valued at $400,000 from the sale can be used as collateral.Assuming you can get a loan of 75% of the note's value, you could potentially access $300,000 to assist in purchasing your new home in Florida.This detailed scenario underscores the potential benefits of seller financing, such as generating additional cash flow and converting equity into liquid capital for reinvestment.