With online access to almost every jurisdictions property recordings, lenders today use software that automatically searches property transfers for transfers involving their loans.  

This means your tenants' private-sector jobs will eventually end.

Average occupancy at time of sale this year was about 50%.

Also, any guides, info, or direction would be awesome. 

Hope this helps!

If this is the case, not a bad idea for you as it will be a good learning experience.

I've seen landlords live in blissful ignorance for 5-10 years due to dumb luck, then their world comes crashing down and they lose everything.I have a book, there are some in the BP bookstore, or you can check out one of my personal favorites, Every Landlord's Legal Guide by NOLO.

I love this strategy! 

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

Don't over think this, pull the trigger actions create results.