Also to note my brother is a journeyman plumber who is willing to help on any plumbing repairs should they come up.Financial ConsiderationsThe numbers look good using the BiggerPockets calculator, but I have concerns about our ability to pull off a BRRRR strategy due to cash reserves and DTI constraints.

I am a spreadsheet junkie, so of course, I also built my own custom underwriting calculator!  

Add at least $3k per year to any repair and maintenance expense you’ve assumed in your expenses calculation 6.

I would assume the actuals are not actual because it's showing 100% occupied for all 12 months.Capital improvements fall below NOI, and do not affect property value.And I think you need to have some type of debt to calculate a purchase priceGino

However, the lender will consider the rental income from the other unit when calculating your debt-to-income ratio.Here’s what you need to know:- **Interest Rates**: You might not have to pay higher rates just because it's a duplex.

I use the 1% rule as only a pencil calculation. 

So yes, you need to set aside enough money to pay future taxes.Taxes are calculated only on your net profit - i.e. after everything is deducted, including labor & materials, holding costs, financing costs and business overhead such as marketing and driving. 

Your Net Worth ROI calculation takes into account the appreciation, loan paydown, tax benefits, and the rent avoidance (the difference in what you pay towards your mortgage compared to your rental situation).

It will go much further than someone walking you through two flips long distance and in buying a LTR when you can use the BP calculators for both of those.

Since Austin charges 11% hotel occupancy tax, should I include that as part of my expenses when calculating cash on cash return?