There are two companies and split about 60/40 across them.1) My dad has been using his HELOC but it's a bit of a mess on accounting, so I'd like to get away from that. 

So, passive real estate losses reported on a K-1 remain subject to the passive loss limitations.  

Use BNBCalc to look at the different scenarios from a revenue stand-point and see how that affects your bottom line and to create brand-able share reports you can send others to get feedback on your analysis (or to create partnership opportunities).

Does anyone actually believe the reported inflation rate or that US denominated debts (worldwide) will ever be repaid? 

You'd want to report this activity on Sch C instead since it's a different type of business activity.

So far I have check TransUnion smartmove which only does based on self reported income, but I am looking for verification from the employer itself.. 

Can I use Buildium for bookkeeping including tracking all transactions per LLC including mortgages and can it produce detailed reports at tax time?

The escrow company and attorney I work with have seen this exercised 1 time in 30 years. 

Does your company offer any HELOC products for primary residence/house being hacked property?

Any suggestions on insurance companies that specialize in Homeowner Insurance for investors that have a part-time vacation home that also serves as a rental property?