Look at the data from multifamily starts for this year: 2024 YTD shows 193,000 more units COMPLETED compared to those STARTED. 

If BP has good data, I'll buy the data to grow my business.  

The closest approximation is from MLS data with the same beds and baths and in the same type of house (single, multi, apartment).

I'm wondering what data you are using to determine your statement: "The issue is most accountants think what he says on this topic is not accurate."

Totally understand,Generally that initial purchase-rehab loans will also be driven by your experience in the area.

Everyone has cash buyers, you can buy the data and skip trace it and call cash buyers all day long.

Furthermore they teach you outdated methodologies that may have worked 5-10 years ago.

Additionally, the Courthouse Online platform is a helpful tool for property assessment data, including ownership and sale history; you’ll just need your property’s Control Number to get started.The Property Mapper is great for visuals, but it sometimes lags with the latest updates, so checking with the Recorder of Deeds or using Courthouse Online will give you the most accurate information.

Further, the writers conclusions are usually “a stretch” based on the data we have. 4.

The missing element/data point here is the market rents in the area and how your units compare to the market.