You can't sell a portion of a property like you can sell portions of stocks, bonds, mutual funds, etc.

.: I'm curious how CA agents can make a living with laws like AB2992 that state:"If the out-of-pocket costs to pay their agent remain too great and the seller and buyer have not yet reached an agreement on the sales price and/or terms, the buyer may walk away from the subject property provided there is an exit clause, proceed without representation, or approach the seller's agent about possible dual agency representation." 

It won't impact the rental side but will cause issues on the rehab progress and permit nonsense instructed by the city. 

the market is very tough right now, and out of state BRRRR is a tough, tough strategy. 

Now, some of these answers will depend on what state that property is in, how much equity you have, and a couple of other factors...but you can certainly seek out other lenders about a Line of Credit on an investment property.  

BP doesn't let us post emails or phone numbers on forums, but I just sent you a connection request so we can exchange contact info.

Therefore, when you are analyzing deals, it's important that you also run the numbers as if you were to hold the property as an LTR.

Quote from @Julian Dragos: If you convert to an LLC, everything should be changed into the name of the LLC.

Any time you use a HELOC, you only want to use 50 percent of the available equity or less so if you can do that over time carefully, it will work.

They aim to have the seller cover the buyer's agent commission as part of their strategy.