If you can pay off the HELOC quickly, that is not bad way to go. 

pay them quick, know what you want done, make them part of your team.  17. 

I can however relatively quickly add up to a 500 Sqft garage.

What are your thoughts on its potential to deliver financial freedom quickly compared to traditional real estate investments?

Another lesson is to research companies online and in forums like this before you do business with them and if you decide to do business with someone, dip your toe in the water slowly and continue to research the company after you start working with them, because things can change quickly.

If I keep doing the same strategy, putting more money down upfront, I will generate more cashflow now but am delaying how quickly I can purchase houses. 

Whether it’s a deep clean or a quick standard turnover, I’d love to know who’s been your go-to.

By diversifying, but still investing in the most promising deals, you limit the possibility of a devastating loss without limiting your upside.  

A prudent investor doesn't seek quick riches through shortcuts.

Hi David, If building long-term equity and scaling quickly are priorities, then option 2 aligns better for you.