His answer was you have to sell in 5 years because if you don't you're potentially looking at higher cap-ex expenses for which you would have to find the money somewhere.

There are many agents out there, but it’s important to choose the right one.https://www.biggerpockets.com/blogs/5868/52724-im-new-to-investing-how-do-i-find-an-investor-friendly-agentI love answering questions if you have any!

To be honest, the BP spreadsheets are a decent start but do not adequately do the job for serious investors.Happy to share insights/feedback and answer any questions you might have.

So the answer to your question is I haven't a clue.

You could sell the note on the open market but it would command a substantial hair cut.So there are really two answers/options.1.

I have read @Sam Shueh and @Mihir Bhimaraju answers and would like to get their( or anyone else) input .

It’s an excellent place to start, and can answer many of your questions.

To answer your question: I'm a self-taught software engineer. 

Rather than give you a definitive answer, I'll tell you one thing a HELOC can do for you. 

From an attorney point of view, you need a CPA that can answer questions about limiting your tax liability or taxable events as your grow your business.