Our only challenge right now is maintaining cash-flow while managing increases in:- Interest rates- Property taxes- Insurance rates

If there is something special in your scenario that is causing the issue you always have non-QM products to fall back on like DSCR (qualify based on the asset, only works for investment properties) or Bank Statement loans (qualify based on income, no taxes required, great for self employed).

Realty Transfer Tax. 

Any tax benefit for havingnegative cash flow i.e let say you have rentals with +ve cash flow that add the total income and for me i already have w2 so that extra +ve cash flow make me pay more to uncle SAM (which i don't mind as such, Uncle SAM can use that to fix the roads i travel) will -ve cash flow properties will negete the +ve cash flow with a long term goal that at some point the -ve cash flow will become +ve and i pay uncle SAM more to fix the road due to rain. is that your thinking too :)I am not a tax expert but a long time RE investor.

If they charge more its considered an illegal tax.

Today, let's discuss property tax assessments.

This accelerates depreciation leading to additional tax savings and cash flow.Historically, a cost segregation study has been a very manual process completed by tax experts and specialized engineers.

How do you effectively navigate property tax assessments and appeals to ensure accurate valuation and taxation?

I know there are certain liability protections, but I'm more interested in the tax implications.

Does time taking care of (mowing/landscaping) and managing (keeping records, paying HOA dues, paying taxes) my vacant parcels count towards my 750 hours of being a real estate professional?