Hard money lender is not going to give you one lump sum cash to be free to spend.

Currently, I'm focusing on building capital, saving, and investing to have more cash on hand until my next project, so for now, I'm simply educating myself on tax codes, financial investing, syndications, accounting, and creative ways to get involved in real estate investing. 

You could explore cash-for-keys

It currently cash flows $300 a month on a $1200 a month rent. 

Enjoy the cash flow and we're ready to work with you on the next one 

Not a terrific deal though it’ll free up some cash flow from my current renting situation which is always welcome. 

That will influence your how much you get in funds for buying the land and for construction, as well as how much you need to put down for closing costs.If you don't have the experience you could partner up with someone with experience whose also got cash to help you with this deal.

I have a number of rentals and my cash flow is very good but I overextended myself, and my cash reserves are too tight.  

Or expand to offset low cash flow?

Additionally, it can help maximize renovations and improvements.A Cost Segregation study is an IRS approved federal income tax tool that increases near term cash flow by utilizing shorter recovery periods for depreciation to accelerate return on investment.