I am using the BRRRR calculator and can follow almost all of it, but I am not following what the Total Cash Invested calculation is.  

All of your taxable income for that calendar year gets counted in the calculation, not just what you’re earning when you actually make the conversion.

Is there somewhere to post specific questions about Rental Property Calculator?

As a fellow real estate investor, I've been using this mortgage calculator to analyze deals faster than any spreadsheet.

Lower LTV** improves your debt-to-income for future acquisitionsExample from a BP member I helped last week:- Denver rental purchased January 2023: $425,000- Current value: $455,000 (7% appreciation)- Current LTV: 81.3%- Extra payment needed: $7,400- Monthly PMI eliminated: $195- Cash-on-cash return improvement: 2.8 percentage pointsThe Step-by-Step ProcessWeek 1: Analysis- Pull your current mortgage balance- Get realistic property valuation (not Zillow - use recent sold comps)- Calculate exact LTV- Determine gap to 80%Week 2: Decision- Compare ROI of PMI removal vs other investments- Check if you have the liquidity- Consider tax implicationsWeek 3-4: Execution- Contact loan servicer IN WRITING- Request PMI removal requirements- Make lump sum payment if needed- Order appraisal if required ($400-600)Week 5-8: Follow-up- Weekly check-ins with servicer- Confirm PMI removal on statement- Redirect savings to next investmentImportant Reminders for September 20251.

I am not considering maintenance and capex in my tax deduction calculations since they are infrequent and irregular (also good to have worse case scenario projections).

Your MAO calculation is almost right but you're missing a few things.MAO = ARV  - Desired Profit - Rehab Costs -  Fixed Costs - Holding Costs - Wholesale Fee.Desired profit = the profit a flipper will want to make (N/A if going straight to retail buyers) Fixed costs = Closing costs, agent fees, etc (varies greatly if it's on or off market and can be negotiated with the seller). 

Cap Rate (short for Capitalization Rate) is a quick way to measure how much income a property produces compared to its value. Investors use it to see if a deal makes sense.
👉 The Formula:Cap Rate = Net Operating Incom...

Running numbers on a potential duplex and need precise mortgage payment calculations for cash flow analysis.

I'm doing some research into rehab calculations and I was wondering… Am I just naïve?