Does this strategy utilizing HELOC really work on saving money and paying off mortgages much quicker?  

Real Estate is a large asset class that has many different strategies inside of it. 

I’d be happy to connect and go over what I see my clients doing and what’s working, and what strategies are dead ends here. 

It will give you a 30,000 feet view of real estate investing as a whole for different strategies and will allow you to find new ideas and to explore and see what works for you!

There's no step by step guide but there are key things : Learn: RE strategies, what interests you, what do people in your area need.Connect: find a mentor, accountability group and be around those doing what you want to do.Help: solve problems- do people need dealflow, property mgmt, construction expertise, etc. 

The seller would use this strategy when they don't have a lot of equity in the house.

Each parcel can host up to two units, effectively enabling up to four units on what was previously a single-family lot.

It's a domino effect.   

If you choose to go with this strategy you could complete your exchange and immediately do a cash out refi.

Are you looking to follow the BRRRR strategy or find proeprties that are turnkey?